Write each percent as a fraction. Give answers in lowest terms. 7...

Which choice shows the correct way to write 16/24 in lowest terms? A. 16/24 = (8 + 8)/(8 + 16) =8/16 =1/2 B.16/24 =(4*4)/(4 *6) =4/6 C. 16/24 =(8*2)/(8*3) =2/3

389

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Textbook Question

Evaluate each expression. 0/7

446

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Textbook Question

Use set notation and write the elements belonging to the set {x | x is a natural number less than 6}.

382

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Textbook Question

Which fraction is not equal to 5/9? A. 15/27 B. 30/54 C. 40/74 D. 55/99

526

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Textbook Question

Evaluate each expression. 10^3

348

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Textbook Question

In Exercises 1–14, write each number in decimal notation without the use of exponents. 1.4X10⁰

243

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Textbook Question

Write each fraction in lowest terms. 8/16

341

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Textbook Question

Let U = {1, 2, 3, 4, 5} and A = {1, 2, 3}. Find A′.

342

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Textbook Question

Evaluate each expression. 2*5 - 10/12

418

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Textbook Question

Write each fraction in lowest terms. 4/12

358

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Textbook Question

Find {16, 18, 21, 50} ∩ {15, 16, 17, 18}.

335

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Textbook Question

In Exercises 1–14, write each number in decimal notation without the use of exponents. 7.9X10⁻¹

257

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Textbook Question

Evaluate each expression. |-4|

382

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Textbook Question

Find {16, 18, 21, 50} ∪ {15, 16, 17, 18}.

325

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Textbook Question

In Exercises 1–12, find each absolute value. |-√2|

203

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Textbook Question

Write each fraction in lowest terms. 16/20

339

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Textbook Question

Write each fraction in lowest terms. 90/150

397

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Textbook Question

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {4, 5, 6,...., 15}

554

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Textbook Question

Evaluate each expression. |-10|

369

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Textbook Question

In Exercises 1–12, find each absolute value. -|-2/5|

272

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Textbook Question

Write each fraction in lowest terms. 100/140

360

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Textbook Question

Evaluate each expression. |-15|

362

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Textbook Question

Write each fraction in lowest terms. 18/90

358

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Textbook Question

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {1, 1/2, 1/4, 1/8, ....}

360

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Textbook Question

Evaluate each expression. -|4/7|

391

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Textbook Question

State the name of the property illustrated: 3+17 = 17+3

584

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Textbook Question

In Exercises 1–14, write each number in decimal notation without the use of exponents. -6.00001X10¹⁰

243

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Textbook Question

Use the product rule to simplify the expressions in Exercises 13–22. In Exercises 17–22, assume that variables represent nonnegative real numbers. √27

Write each fraction in lowest terms. 16/64

477

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Textbook Question

Evaluate each expression. -|7/2|

364

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Textbook Question

State the name of the property illustrated: (6 • 3) • 9 = 6 • (3 • 9)

361

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Textbook Question

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {x | x is a natural number greater than 11}

317

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Textbook Question

Evaluate each expression. -|-3|

361

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Textbook Question

In Exercises 15–30, write each number in scientific notation. 32,000

260

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Textbook Question

Use the product rule to simplify the expressions in Exercises 13–22. In Exercises 17–22, assume that variables represent nonnegative real numbers. √125x^2

385

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Textbook Question

Evaluate each expression. -|-12|

352

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Textbook Question

Determine whether each statement is true or false. |25| = |-25|

322

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Textbook Question

In Exercises 15–30, write each number in scientific notation. 638,000,000,000,000,000

253

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Textbook Question

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {x | x is a fraction between 8 and 9}

706

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Textbook Question

The formula C=5/9(F-32) expresses the relationship between Fahrenheit temperature, F, and Celsius temperature, C. In Exercises 17–18, use the formula to convert the given Fahrenheit temperature to its equivalent temperature on the Celsius scale. 50 °F

10576

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Textbook Question

Write each improper fraction as a mixed number. 17/12

720

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Textbook Question

Write each improper fraction as a mixed number. 16/9

386

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Textbook Question

State the name of the property illustrated: (3 • 7) + (4 • 7) = (4 • 7) + (3 •7)

396

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Textbook Question

Determine whether each statement is true or false. |5+(-13) | = |5| + |-13|

361

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Textbook Question

A football was kicked vertically upward from a height of 4 feet with an initial speed of 60 feet per second. The formula h=4+60t-16t^2 describes the ball's height above the ground, h, in feet, t seconds after it was kicked. Use this formula to solve Exercises 19–20. What was the ball's height 2 seconds after it was kicked?

1404

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Textbook Question

In Exercises 15–30, write each number in scientific notation. -317

264

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Textbook Question

Use set notation, and list all the elements of each set. {12, 13, 14,..., 20}

468

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Textbook Question

Write each improper fraction as a mixed number. 77/12

543

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Textbook Question

Determine whether each statement is true or false. |8-12| = |8| - |12|

338

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Textbook Question

In Exercises 21–28, find the intersection of the sets. {1,2,3,4}∩{2,4,5}

380

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Textbook Question

In Exercises 15–30, write each number in scientific notation. -5716

214

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Textbook Question

Use set notation, and list all the elements of each set. {1, 1/2, 1/4, ...., 1/32} .

633

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Textbook Question

Write each mixed number as an improper fraction. 2(3/5)

Determine whether each statement is true or false. |11| * |-6| = |-66|

325

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Textbook Question

Determine whether each statement is true or false. |-5| * |6| = |-5*6|

353

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Textbook Question

Use set notation, and list all the elements of each set. {17, 22, 27, .. , 47}

362

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Textbook Question

In Exercises 15–30, write each number in scientific notation. 0.0027

244

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Textbook Question

In Exercises 21–28, find the intersection of the sets. {s,e,t}∩{t,e,s}

Determine whether each statement is true or false. |-14| / |2| = |-14/2|

304

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Textbook Question

Use set notation, and list all the elements of each set. {74, 68, 62, ..., 38}

338

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Textbook Question

Evaluate each exponential expression: (-3)^3 (-2)^2

426

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Textbook Question

Use set notation, and list all the elements of each set. {x | x is a natural number greater than 8 and less than 15}

550

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Textbook Question

In Exercises 15–30, write each number in scientific notation. -0.00000000504

249

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (4/5)*(6/7)

415

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Textbook Question

Evaluate each exponential expression: 2^(-4) + 4^(-1)

408

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Textbook Question

Use set notation, and list all the elements of each set. {x | x is a natural number not greater than 4}

606

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Textbook Question

Evaluate each exponential expression: 5^(-3) • 5

714

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (5/9)*(2/7)

341

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Textbook Question

Evaluate each exponential expression: (3^3)/(3^6)

446

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. 6 _____ {3, 4, 5, 6}

357

views

Textbook Question

In Exercises 15–30, write each number in scientific notation. 0.007

281

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Textbook Question

In Exercises 21–28, find the intersection of the sets. {a,b,c,d}∩∅

413

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Textbook Question

Find each sum or difference. -6 + (-13)

300

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (3/20)*(5/21)

317

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Textbook Question

Simplify each exponential expression: (-2x^4y^3)^3

478

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. 5 ____ {4, 6, 8, 10}

361

views

Textbook Question

In Exercises 15–30, write each number in scientific notation. 3.14159

246

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Textbook Question

Find each sum or difference. -15+6

322

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Textbook Question

Simplify each exponential expression: (-5x^3y^2)(-2x^(-11)y^(-2))

330

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (1/8)*(10/7)

304

views

Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. 13 _____ {3, 5, 12, 14}

526

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Textbook Question

In Exercises 29–34, find the union of the sets. {1,3,5,7}∪{2,4,6,8,10}

393

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Textbook Question

Find each sum or difference. 13 + (-4)

385

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Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (3X10⁴)(2.1X10³)

292

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. 0 _____ {0, 2, 3, 4}

345

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. 0 _____ {0, 5, 6, 7, 8, 10}

356

views

Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (21/8)*(4/7)

332

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Textbook Question

Find each sum or difference. -7/3 + 3/4

462

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Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (1.6X10¹⁵)(4X10⁻¹¹)

250

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Textbook Question

Write each number in decimal notation: 7.45*10^(-5)

355

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Textbook Question

In Exercises 29–34, find the union of the sets. {e,m,p,t,y} ∪ ∅

374

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Textbook Question

Write each number in scientific notation. 3,590,000

599

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Textbook Question

Find each sum or difference. -2.8 + 4.5

385

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Textbook Question

In Exercises 35–38, list all numbers from the given set that are a. natural numbers, b. whole numbers, c. integers, d. rational numbers, e. irrational numbers, f. real numbers. {-9, -4/5, 0, 0.25, √3, 9.2, √100}

1418

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Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (6.1X10⁻⁸)(2X10⁻⁴)

271

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. {0} _____ {0, 1, 2, 5}

Multiply or divide as indicated. Write answers in lowest terms as needed. 3(1/4)*1(2/3)

326

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. 2(2/3)*1(3/5)

493

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. {2} ____ {2, 4, 6, 8}

361

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Textbook Question

Perform the indicated operation and write the answer in decimal notation. (3*10^3)(1.3*10^2)

817

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. . 0 ____ ∅

332

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Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (4.3X10⁸)(6.2X10⁴)

197

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Textbook Question

Find each sum or difference. 4 - 9

352

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Textbook Question

In Exercises 35–38, list all numbers from the given set that are a. natural numbers, b. whole numbers, c. integers, d. rational numbers, e. irrational numbers, f. real numbers. {-11, -5/6, 0, 0.75, √5, π, √64}

458

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Textbook Question

In Exercises 33–38, find the union of the sets. { a, e, i, o, u } ⋃ ∅

255

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Textbook Question

Insert ∈ or ∉ in each blank to make the resulting statement true. ∅ ____ ∅

372

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (6/11)/(5/4)

366

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Textbook Question

Find each sum or difference. -6 - 5

329

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Textbook Question

Determine whether each statement is true or false. 3 ∈ {2, 5, 6, 8}

357

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Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. 8.4X10⁸ / 4x10⁵

246

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (7/5)/(3/10)

306

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Textbook Question

Determine whether each statement is true or false. 6 ∈ {2, 5, 8, 9}

488

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Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. 3.6X10⁴ / 9X10⁻²

260

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Textbook Question

Use the product rule to simplify the expressions in Exercises 41 - 44. In exercises 43 - 44, assume that variables represent nonnegative real numbers. √300

344

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Textbook Question

Find each sum or difference. 8 - (-13)

354

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Textbook Question

Determine whether each statement is true or false. 1 ∈ {11, 5, 4, 3, 1}

294

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (24/7)/(6/21)

341

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (3/4)/12

388

views

Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. 4.8X10⁻² / 2.4X10⁶

249

views

Textbook Question

Determine whether each statement in Exercises 43–50 is true or false. -13 ≤ -2

395

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Textbook Question

Simplify each exponential expression in Exercises 23–64. (−3x^2 y^5)^2

356

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Textbook Question

Determine whether each statement is true or false. 9 ∉ {8, 5, 2, 1}

311

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Textbook Question

Find each sum or difference. -12.31 - (2.13)

393

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. (2/5)/30

345

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Textbook Question

Use the quotient rule to simplify the expressions in Exercises 45-46. √(121/4)

398

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Textbook Question

Determine whether each statement is true or false. {2, 5, 8, 9} = {2, 5, 9, 8}

340

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Textbook Question

Find each sum or difference. 9/10 - (-4/3)

393

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Textbook Question

Determine whether each statement is true or false. {3, 0, 9, 6, 2} = {2, 9, 0, 3, 6}

313

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. 8/(4/9)

312

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Textbook Question

Find each sum or difference. |-8 - 6|

336

views

Textbook Question

Determine whether each statement is true or false. {5, 8, 9} = {5, 8, 9, 0}

265

views

Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. 6(3/4)/(3/8)

488

views

Textbook Question

Determine whether each statement in Exercises 43–50 is true or false. -π ≥ - π

337

views

Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. 480,000,000,000 / 0.00012

276

views

Textbook Question

Simplify each exponential expression in Exercises 23–64. (−5x^4 y)(−6x^7 y^11)

338

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Textbook Question

Determine whether each statement is true or false. {x | x is a natural number less than 3}= {1, 2}

329

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Textbook Question

Find each sum or difference. -2 - |-4|

379

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Textbook Question

Determine whether each statement in Exercises 43–50 is true or false. 0 ≥ -6

347

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Textbook Question

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. 0.00072x0.003 / 0.00024

245

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Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. 2(1/2)/1(5/7)

427

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Textbook Question

Find each sum or difference. 16 - | -13|

338

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Textbook Question

Find each product or quotient where possible. -8(-5)

403

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Textbook Question

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. A ⊆ U

313

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Textbook Question

In Exercises 51–60, rewrite each expression without absolute value bars. |300|

515

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Textbook Question

In Exercises 51–58, solve each equation. Express the solution in scientific notation. (2X10⁻⁵)x = 1.2X10⁹

262

views

Textbook Question

Multiply or divide as indicated. Write answers in lowest terms as needed. 2(5/8)/1(15/32)

410

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Textbook Question

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. C ⊆ U

311

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Textbook Question

Find each product or quotient where possible. 5(-7)

351

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Textbook Question

In Exercises 51–60, rewrite each expression without absolute value bars. |12 - π|

411

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Textbook Question

In Exercises 51–58, solve each equation. Express the solution in scientific notation. x / 2X10⁸ =-3.1X10⁻⁵

292

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Textbook Question

In Exercises 51–60, rewrite each expression without absolute value bars. |7 - π|

348

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Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed.2/9 + 5/9

326

views

Textbook Question

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. D ⊆ A

327

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Textbook Question

Find each product or quotient where possible. 4(0)

342

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Textbook Question

In Exercises 51–58, solve each equation. Express the solution in scientific notation. x-(7.2X10¹⁸)=8.4X10¹⁸

281

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 7/12 + 1/12

330

views

Textbook Question

Find each product or quotient where possible. 0(-8)

346

views

Textbook Question

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. B ⊆ C

303

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Textbook Question

In Exercises 51–60, rewrite each expression without absolute value bars. -3/|-3|

395

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Textbook Question

In Exercises 51–58, solve each equation. Express the solution in scientific notation. (-1.2X10⁻³)x=(1.8X10⁻⁴)(2.4X10⁶)

280

views

Textbook Question

Find each product or quotient where possible. -5/2 (-12/25)

297

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Textbook Question

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. ∅ ⊆ ∅

343

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Textbook Question

In Exercises 51–60, rewrite each expression without absolute value bars. ||-3|-|-7||

841

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Textbook Question

Find each product or quotient where possible. -3/8 (-24/9)

327

views

Textbook Question

In Exercises 59–70, evaluate each exponential expression. (-10)^2

242

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Textbook Question

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. {0, 2} ⊆ D

315

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Textbook Question

In Exercises 61–66, evaluate each algebraic expression for x=2 and y=-5. |x+y|

434

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Textbook Question

In Exercises 59–70, evaluate each exponential expression. -10^2

262

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Textbook Question

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. A ⊆ C

338

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Textbook Question

Find each product or quotient where possible. -0.5(-0.6)

317

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 3(1/8) + 2(1/4)

322

views

Textbook Question

Insert ⊆ or s in each blank to make the resulting statement true. {2, 4, 6} ____ {2, 3, 4, 5, 6}

328

views

Textbook Question

Evaluate each expression 16^(1/2)

532

views

Textbook Question

In Exercises 59–70, evaluate each exponential expression. (-2)^3

246

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Textbook Question

Find each product or quotient where possible. -0.06(0.4)

297

views

Textbook Question

In Exercises 61–66, evaluate each algebraic expression for x=2 and y=-5. |x|+|y|

375

views

Textbook Question

Insert ⊆ or s in each blank to make the resulting statement true. {1, 5} ____ {0, 1, 2, 3, 5}

339

views

Textbook Question

Insert ⊆ or s in each blank to make the resulting statement true. {0, 1, 2} ____ {1, 2, 3, 4, 5}

345

views

Textbook Question

Evaluate each expression 125^(-1/3)

515

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 7/9-2/9

319

views

Textbook Question

Find each product or quotient where possible. -14/2

392

views

Textbook Question

In Exercises 59–70, evaluate each exponential expression. (-1)^4

235

views

Textbook Question

In Exercises 65–76, write each number in decimal notation without the use of exponents. 9.2×10^2

396

views

Textbook Question

Insert ⊆ or s in each blank to make the resulting statement true. {5, 6, 7, 8} ____ {1, 2, 3, 4, 5, 6, 7}

336

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 13/15 - 3/15

295

views

Textbook Question

Find each product or quotient where possible. -24/-4

375

views

Textbook Question

In Exercises 59–70, evaluate each exponential expression. (-1)^33

234

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Textbook Question

In Exercises 67–74, express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression. 2 and 17

748

views

Textbook Question

Insert ⊆ or s in each blank to make the resulting statement true. ∅ ____ {1, 4, 6, 8}

330

views

Textbook Question

Evaluate each expression 27^(-4/3)

579

views

Textbook Question

Insert ⊆ or s in each blank to make the resulting statement true. ∅ ____ ∅

Add or subtract as indicated. Write answers in lowest terms as needed. 7/12 - 1/3

343

views

Textbook Question

Find each product or quotient where possible. 100/-25

422

views

Textbook Question

In Exercises 59–70, evaluate each exponential expression. - (-1/2)^3

254

views

Textbook Question

In Exercises 67–74, express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression. −2 and 5

422

views

Textbook Question

Simplify using properties of exponents. [5x^(2/3)][4x^(1/4)]

445

views

Textbook Question

Determine whether each statement is true or false. {5, 7, 9, 19} ∩ {7, 9, 11, 15} = {7, 9}

319

views

Textbook Question

In Exercises 65–76, write each number in decimal notation without the use of exponents. −8.17×10^6

284

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 7/12-1/9

298

views

Textbook Question

Find each product or quotient where possible. 0/-8

330

views

Textbook Question

Determine whether each statement is true or false. [6, 12, 14, 16} ∪ {6, 14, 19} = {6, 14}

350

views

Textbook Question

In Exercises 67–74, express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression. -26 and -3

342

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 4(3/4) - 1(2/5)

337

views

Textbook Question

Find each product or quotient where possible. 5/0

357

views

Textbook Question

In Exercises 65–76, write each number in decimal notation without the use of exponents. −3.14×10^−3

420

views

Textbook Question

In Exercises 75–84, state the name of the property illustrated. 6+(−4)=(−4)+6

328

views

Textbook Question

Determine whether each statement is true or false. {3, 5, 9, 10} ∩ ∅ = {3, 5, 9, 10}

344

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 8(2/9)-4(2/3)

647

views

Textbook Question

Find each product or quotient where possible. -10/17 / (-12/5)

318

views

Textbook Question

Determine whether each statement is true or false. {3, 5, 9, 10} ∪ ∅ = {3, 5, 9, 10}

324

views

Textbook Question

Add or subtract as indicated. Write answers in lowest terms as needed. 7(5/12)-4(5/6)

405

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Textbook Question

In Exercises 65–76, write each number in decimal notation without the use of exponents. −7.00001×10^10

420

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Textbook Question

Determine whether each statement is true or false. {1, 2, 4} ∪ {1, 2, 4} = {1, 2, 4}

306

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Textbook Question

In Exercises 75–84, state the name of the property illustrated. 6+(2+7)=(6+2)+7

346

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Textbook Question

Find each product or quotient where possible. 12/13 / -4/3

373

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Textbook Question

In Exercises 77–86, write each number in scientific notation. 64,000

313

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Textbook Question

Find each product or quotient where possible. 7/6 / -2/3

335

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Textbook Question

Determine whether each statement is true or false. ∅ ∪ ∅ = ∅

322

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Textbook Question

In the decimal number 367.9412, name the digit that has each place value. (a) tens (b) tenths (c) thousandths (d) ones or units (e) hundredths

336

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Textbook Question

In the decimal number 367.9412, name the digit that has each place value. (a) tens (b) tenths (c) thousandths (d) ones or units (e) hundredths

303

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Textbook Question

In the decimal number 367.9412, name the digit that has each place value. (a) tens (b) tenths (c) thousandths (d) ones or units (e) hundredths

278

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Textbook Question

In the decimal number 367.9412, name the digit that has each place value. (a) tens (b) tenths (c) thousandths (d) ones or units (e) hundredths

343

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Textbook Question

In the decimal number 367.9412, name the digit that has each place value. (a) tens (b) tenths (c) thousandths (d) ones or units (e) hundredths

348

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Textbook Question

Determine whether each statement is true or false. ∅ ∩ ∅ = ∅

401

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Textbook Question

In Exercises 75–84, state the name of the property illustrated. 7⋅(11⋅8)=(11⋅8)⋅7

343

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Textbook Question

In Exercises 77–86, write each number in scientific notation. 579,000,000,000,000,000

382

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Textbook Question

Write a decimal number that has 5 in the thousands place, 0 in the tenths place, and 4 in the ten-thousandths place.

354

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. M ∩ R

333

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Textbook Question

Evaluate each expression. -2^4

407

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Textbook Question

For the decimal number 46.249, round to the place value indicated. (a) hundredths (b) tenths (c) ones or units (d) tens

299

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Textbook Question

For the decimal number 46.249, round to the place value indicated. (a) hundredths (b) tenths (c) ones or units (d) tens

333

views

Textbook Question

For the decimal number 46.249, round to the place value indicated. (a) hundredths (b) tenths (c) ones or units (d) tens

367

views

Textbook Question

For the decimal number 46.249, round to the place value indicated. (a) hundredths (b) tenths (c) ones or units (d) tens

345

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Textbook Question

Round each decimal to the nearest thousandth. (a) 0.8 (line above 8) (b) 0.4 (line above 4) (c) 0.9762 (d) 0.8645

556

views

Textbook Question

Write 40,610,000 in scientific notation. (Section 1.7, Example 2)

255

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Textbook Question

Round each decimal to the nearest thousandth. (a) 0.8 (line above 8) (b) 0.4 (line above 4) (c) 0.9762 (d) 0.8645

342

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Textbook Question

Evaluate each expression. -3^5

357

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Textbook Question

In Exercises 77–86, write each number in scientific notation. −3829

324

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Textbook Question

Round each decimal to the nearest thousandth. (a) 0.8 (line above 8) (b) 0.4 (line above 4) (c) 0.9762 (d) 0.8645

331

views

Textbook Question

Round each decimal to the nearest thousandth. (a) 0.8 (line above 8) (b) 0.4 (line above 4) (c) 0.9762 (d) 0.8645

366

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Textbook Question

Evaluate each expression. (-2)^4

359

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Textbook Question

In Exercises 75–84, state the name of the property illustrated. 1/(x+3) (x+3)=1, x≠−3

410

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. M ∪ N

300

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Textbook Question

Write each decimal as a fraction. (Do not write in lowest terms.) 0.4

323

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Textbook Question

In Exercises 83–90, evaluate each expression without using a calculator. 36^(1/2)

320

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Textbook Question

Evaluate each expression. (-2)^6

342

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Textbook Question

In Exercises 77–86, write each number in scientific notation. 0.0083

360

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Textbook Question

Write each decimal as a fraction. (Do not write in lowest terms.) 0.6

339

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Textbook Question

Evaluate each expression. (-3)^5

328

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. M ∩ N

364

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Textbook Question

In Exercises 77–86, write each number in scientific notation. −0.00000000405

351

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Textbook Question

Write each decimal as a fraction. (Do not write in lowest terms.) 0.82

387

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Textbook Question

Evaluate each expression. (-2)^5

366

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Textbook Question

In Exercises 83–90, evaluate each expression without using a calculator. 27^(1/3)

523

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. N ∪ R

301

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Textbook Question

Evaluate each expression. -4 * 5³

368

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Textbook Question

Write each decimal as a fraction. (Do not write in lowest terms.) 0.104

314

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Textbook Question

Write each decimal as a fraction. (Do not write in lowest terms.) 0.043

332

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. N′

373

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Textbook Question

Write each decimal as a fraction. (Do not write in lowest terms.) 0.087

315

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. Q′

307

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Textbook Question

Evaluate each expression. 9*3 - 16/4

351

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. M′ ∩ Q

310

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Textbook Question

In Exercises 87–106, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (6.1×10^−8)(2×10^−4)

350

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. Q ∩ R′

311

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Textbook Question

Add or subtract as indicated. 25.32 + 109.2 + 8.574

319

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Textbook Question

Evaluate each expression. (4-2³)(-2+√25)

400

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Textbook Question

In Exercises 87–106, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (4.3×10^8)(6.2×10^4)

342

views

Textbook Question

In Exercises 91–100, simplify using properties of exponents. (20x^1/2)/(5x^1/4)

341

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. ∅ ∩ Q

322

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Textbook Question

Evaluate each expression. (5-3²)(√16-2³)

477

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. N ∪ ∅

292

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Textbook Question

Evaluate each expression. (-2/9 -1/4) - {-5/18 - (-1/2)}

342

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Textbook Question

Add or subtract as indicated. 28.73 - 3.12

348

views

Textbook Question

In Exercises 87–106, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (8.4×10^8)/(4×10^5)

327

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Textbook Question

Add or subtract as indicated. 46.88 - 13.45

388

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Textbook Question

Evaluate each expression. [-8+(-4)(-6)/12] / [4-(-3)]

427

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. (M ∩ N) ∪ R

296

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Textbook Question

Evaluate each expression. 15/5*4/6-8 / -6-(-5)-8/2

374

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Textbook Question

In Exercises 87–106, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (1.2×10^4)/(2×10^−2)

308

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Textbook Question

Add or subtract as indicated. 345.1 - 56.31

359

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. (N ∪ R) ∩ M

379

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Textbook Question

Add or subtract as indicated. 3.87 + 15 + 2.9

340

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. (R ∪ N) ∩ M′

334

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Textbook Question

Add or subtract as indicated. 32.56 + 47.356 + 1.8

306

views

Textbook Question

In Exercises 87–106, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (2.4×10^−2)/(4.8×10^-6)

333

views

Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. Q ∩ (M ∪ N)

309

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Textbook Question

Add or subtract as indicated. 75.2 + 123.96 + 3.897

322

views

Textbook Question

Add or subtract as indicated. 18 - 2.789

325

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. (U ∩ ∅′) ∪ R

325

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Textbook Question

In Exercises 87–106, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. 282,000,000,000/0.00141

380

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. {x | x ∈ U, x ∉ M}

389

views

Textbook Question

Multiply or divide as indicated. 12.8 * 9.1

332

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. {x | x ∈ U, x ∉ R}

344

views

Textbook Question

In Exercises 87–106, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (66,000×0.001)/(0.003×0.002)

354

views

Textbook Question

Multiply or divide as indicated. 34.04 * 0.56

339

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. {x | x ∈ M and x ∈ Q}

320

views

Textbook Question

Multiply or divide as indicated. 22.41 * 33

342

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Textbook Question

Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. {x | x ∈ M or x ∈ Q}

383

views

Textbook Question

Multiply or divide as indicated. 0.07 * 0.004

407

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Textbook Question

Let A = { -6, - 12/4 , - 5/8 , - √3, 0, 1/4 , 1, 2π, 3, √12}. List all the elements of A that belong to each set. Natural numbers

374

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Textbook Question

Multiply or divide as indicated. 78.65/11

318

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Textbook Question

Let A = { -6, - 12/4 , - 5/8 , - √3, 0, 1/4 , 1, 2π, 3, √12}. List all the elements of A that belong to each set. Integers

295

views

Textbook Question

Identify the property illustrated in each statement. Assume all variables represent real numbers. 6*12+6*15=6(12+15)

369

views

Textbook Question

Multiply or divide as indicated. 32.48/11.6

393

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Textbook Question

Let A = { -6, - 12/4 , - 5/8 , - √3, 0, 1/4 , 1, 2π, 3, √12}. List all the elements of A that belong to each set. Irrational numbers

Identify the property illustrated in each statement. Assume all variables represent real numbers. (t-6)*(1/t-6)=1, if t-6 not equal to 0

705

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Textbook Question

Multiply or divide as indicated.19.967/9.74

400

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Textbook Question

Multiply or divide as indicated. 44.4788/5.27

366

views

Textbook Question

Identify the property illustrated in each statement. Assume all variables represent real numbers. (7.5-y)+0=7.5-y

505

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Textbook Question

Multiply or divide as indicated. 785.91 * 10

331

views

Textbook Question

Multiply or divide as indicated. 57.116 * 100

327

views

Textbook Question

Identify the property illustrated in each statement. Assume all variables represent real numbers. 5(t+3) = (t+3)*5

366

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Textbook Question

Multiply or divide as indicated. 0.094 * 1000

373

views

Textbook Question

Identify the property illustrated in each statement. Assume all variables represent real numbers. (38+99) +1 = 38+(99+1)

316

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Textbook Question

Multiply or divide as indicated. 1.62/10

336

views

Textbook Question

Identify the property illustrated in each statement. Assume all variables represent real numbers. 5𝜋 is a real number.

320

views

Textbook Question

Multiply or divide as indicated. 124.03 /100

334

views

Textbook Question

Multiply or divide as indicated. 23.29/1000

340

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) 1/100 Decimal 0.01 Percent ?

383

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) 1/50 Decimal ? Percent 2%

324

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) ? Decimal 0.05 Percent 5%

317

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) 1/10 Decimal ? Percent ?

368

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) ? Decimal ? Percent 20%

763

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) 1/3 Decimal ? Percent ?

314

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) ? Decimal ? Percent 50%

305

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Textbook Question

Use the distributive property to calculate each value mentally. 72*17+28*17

321

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Textbook Question

Use the distributive property to calculate each value mentally. 123 5/8 * 1 1/2 - 23 5/8 * 1 1/2

705

views

Textbook Question

Complete the table of fraction, decimal and percent equivalents. Fraction in lowest terms(or Whole Number) 1 Decimal 1.0 Percent ?

365

views

Textbook Question

Write each fraction as a decimal. For repeating decimals, write the answer by first using bar notation and then rounding to the nearest thousandth. 9/4

615

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Textbook Question

Write each fraction as a decimal. For repeating decimals, write the answer by first using bar notation and then rounding to the nearest thousandth. 3/8

327

views

Textbook Question

Write each fraction as a decimal. For repeating decimals, write the answer by first using bar notation and then rounding to the nearest thousandth. 5/9

838

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Textbook Question

Write each fraction as a decimal. For repeating decimals, write the answer by first using bar notation and then rounding to the nearest thousandth. 1/6

515

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Textbook Question

Write in scientific notation: 8,034,000,000. (Section 1.7, Example 2)

264

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Textbook Question

Write each percent as a decimal. 54%

372

views

Textbook Question

Write each percent as a decimal. 39%

345

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Textbook Question

Write each percent as a decimal. 7%

360

views

Textbook Question

Write each percent as a decimal. 4%

340

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Textbook Question

Write each percent as a decimal. 117%

327

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Textbook Question

Write each percent as a decimal. 2.4%

366

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Textbook Question

Write each percent as a decimal. 6 1/4%

474

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Textbook Question

Write each percent as a decimal. 5 1/2%

559

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Textbook Question

Exercises 159–161 will help you prepare for the material covered in the next section. If 6.2 is multiplied by 10^3, what does this multiplication do to the decimal point in 6.2?

337

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Textbook Question

Write each decimal as a percent. 0.83

715

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Textbook Question

Write each decimal as a percent. 0.02

374

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Textbook Question

Write each decimal as a percent. 0.08

413

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Textbook Question

Write each decimal as a percent. 0.004

343

views

Textbook Question

Write each decimal as a percent. 0.005

379

views

Textbook Question

Write each decimal as a percent. 0.4

362

views

Textbook Question

Write each decimal as a percent. 0.6

344

views

Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 51%

361

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Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 47%

388

views

Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 15%

339

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Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 35%

329

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Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 2%

307

views

Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 8%

297

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Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 140%

365

views

Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 180%

329

views

Textbook Question

Write each percent as a fraction. Give answers in lowest terms. 2.5%

396

views

Textbook Question

Write each fraction as a percent. 4/5

443

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Textbook Question

Write each fraction as a percent. 3/25

386

views

Textbook Question

Write each fraction as a percent. 7/50

474

views

Textbook Question

Write each fraction as a percent. 9/20

331

views

Textbook Question

Write each fraction as a percent. 2/11

355

views

Textbook Question

Write each fraction as a percent. 4/9

299

views

Textbook Question

Write each fraction as a percent. 9/4

329

views

Textbook Question

Write each fraction as a percent. 8/5

355

views

Textbook Question

Determine whether each statement is true or false. If false, correct the right side of the equation. (2/3)^-2 = (3/2)^2

109

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Textbook Question

Determine whether each statement is true or false. If false, correct the right side of the equation. (3x^2)^-1 = 3x^-2

108

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Textbook Question

Simplify each expression. See Example 1. (9^3)(9^5)

113

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Textbook Question

Simplify each expression. See Example 1. (4^2)(4^8)

135

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Textbook Question

Simplify each expression. See Example 1. (-8t^3)(2t^6)(-5t^4)

123

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Textbook Question

Simplify each expression. Write answers without negative exponents. Assume all vari-ables represent nonzero real numbers. See Examples 5 and 6. 4^8/4^6

110

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Textbook Question

Simplify each expression. Write answers without negative exponents. Assume all vari-ables represent nonzero real numbers. See Examples 5 and 6. x^12/x^8

147

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Textbook Question

Simplify each expression. Write answers without negative exponents. Assume all vari-ables represent nonzero real numbers. See Examples 5 and 6. r^7/r^10

102

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Textbook Question

Write each expression without negative exponents, and evaluate if possible. Assume all variables represent nonzero real numbers. See Example 4. (-4)^-3

96

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Textbook Question

Simplify each expression. Write answers without negative exponents. Assume all vari-ables represent nonzero real numbers. See Examples 5 and 6. (5x)^-2(5x^3)^-3/(5^-2x^-3)^-3

143

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Textbook Question

Determine whether each statement is true or false. If false, correct the right side of the equation. 5^-2 = 1/5^2

58

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Textbook Question

Perform the indicated operation, and write each answer in lowest terms. 2x/5 * 10/x^2

117

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Textbook Question

Perform the indicated operation, and write each answer in lowest terms. y^3/8 ÷ y/4

145

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Textbook Question

Perform the indicated operation, and write each answer in lowest terms. 4/x-y - 9/x-y

108

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Textbook Question

Perform the indicated operation, and write each answer in lowest terms. 2x/5 + x/4

108

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Textbook Question

Find the domain of each rational expression. (x + 3) / (x - 6)

130

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Textbook Question

Find the domain of each rational expression. (2x - 4) / (x + 7)

117

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Textbook Question

Find the domain of each rational expression. (3x + 7) / (4x + 2)(x - 12)

120

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Textbook Question

Find the domain of each rational expression. 12/ (x2 + 5x + 6)

135

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Textbook Question

Find the domain of each rational expression. 3 / x2 - 5x - 6

144

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Textbook Question

Find the domain of each rational expression. x^2 - 1 / x + 1

108

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Textbook Question

Find the domain of each rational expression. x^3 - 1 / x - 1

132

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Textbook Question

Multiply or divide, as indicated. 15p^3/9p^2 * 12p/10p^3

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Textbook Question

Perform all indicated operations, and write each answer with positive integer exponents. {x- 9y^-1}/{ (x-3y^-1)(x+3y^-1)}

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Multiple Choice

Simplify the expression using exponent rules.

$(- 5 a^{2}) (3 a^{2})$

Simplify the expression using exponent rules.

$-\frac{12b^{11}}{4b^7}$

Rewrite the expression using exponent rules.

$\left(4x^2\right)^3$

Rewrite the expression using exponent rules.

$\left(\frac{3x^4}{y^{-2}}\right)^3$

Write each percent as a fraction. Give answers in lowest terms. 7.5%

Key Concepts

Percentages

Fractions

Lowest Terms

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