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

387

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Textbook Question

Evaluate each expression. 0/7

434

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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

views

Textbook Question

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

523

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Textbook Question

Evaluate each expression. 10^3

342

views

Textbook Question

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

242

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Textbook Question

Write each fraction in lowest terms. 8/16

325

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Textbook Question

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

341

views

Textbook Question

Evaluate each expression. 2*5 - 10/12

415

views

Textbook Question

Write each fraction in lowest terms. 4/12

349

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Textbook Question

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

328

views

Textbook Question

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

255

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Textbook Question

Evaluate each expression. |-4|

374

views

Textbook Question

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

324

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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

334

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Textbook Question

Write each fraction in lowest terms. 90/150

390

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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}

551

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Textbook Question

Evaluate each expression. |-10|

356

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Textbook Question

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

271

views

Textbook Question

Write each fraction in lowest terms. 100/140

356

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Textbook Question

Evaluate each expression. |-15|

353

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Textbook Question

Write each fraction in lowest terms. 18/90

355

views

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, ....}

359

views

Textbook Question

Evaluate each expression. -|4/7|

388

views

Textbook Question

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

582

views

Textbook Question

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

241

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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

472

views

Textbook Question

Evaluate each expression. -|7/2|

348

views

Textbook Question

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

358

views

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}

315

views

Textbook Question

Evaluate each expression. -|-3|

350

views

Textbook Question

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

259

views

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|

346

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Textbook Question

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

322

views

Textbook Question

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

250

views

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

10546

views

Textbook Question

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

712

views

Textbook Question

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

383

views

Textbook Question

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

394

views

Textbook Question

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

360

views

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?

1402

views

Textbook Question

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

263

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Textbook Question

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

467

views

Textbook Question

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

542

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Textbook Question

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

336

views

Textbook Question

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

380

views

Textbook Question

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

213

views

Textbook Question

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

631

views

Textbook Question

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

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

324

views

Textbook Question

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

352

views

Textbook Question

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

361

views

Textbook Question

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

244

views

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|

300

views

Textbook Question

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

337

views

Textbook Question

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

421

views

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}

547

views

Textbook Question

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

248

views

Textbook Question

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

413

views

Textbook Question

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

400

views

Textbook Question

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

605

views

Textbook Question

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

711

views

Textbook Question

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

340

views

Textbook Question

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

435

views

Textbook Question

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

355

views

Textbook Question

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

281

views

Textbook Question

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

412

views

Textbook Question

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

284

views

Textbook Question

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

316

views

Textbook Question

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

466

views

Textbook Question

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

360

views

Textbook Question

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

245

views

Textbook Question

Find each sum or difference. -15+6

301

views

Textbook Question

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

329

views

Textbook Question

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

302

views

Textbook Question

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

520

views

Textbook Question

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

392

views

Textbook Question

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

371

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. (3X10⁴)(2.1X10³)

292

views

Textbook Question

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

343

views

Textbook Question

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

354

views

Textbook Question

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

331

views

Textbook Question

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

449

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. (1.6X10¹⁵)(4X10⁻¹¹)

250

views

Textbook Question

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

354

views

Textbook Question

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

373

views

Textbook Question

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

589

views

Textbook Question

Find each sum or difference. -2.8 + 4.5

377

views

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}

1417

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. (6.1X10⁻⁸)(2X10⁻⁴)

270

views

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)

325

views

Textbook Question

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

492

views

Textbook Question

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

360

views

Textbook Question

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

814

views

Textbook Question

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

330

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. (4.3X10⁸)(6.2X10⁴)

197

views

Textbook Question

Find each sum or difference. 4 - 9

344

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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}

457

views

Textbook Question

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

252

views

Textbook Question

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

368

views

Textbook Question

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

364

views

Textbook Question

Find each sum or difference. -6 - 5

321

views

Textbook Question

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

355

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. 8.4X10⁸ / 4x10⁵

245

views

Textbook Question

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

305

views

Textbook Question

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

486

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. 3.6X10⁴ / 9X10⁻²

258

views

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

views

Textbook Question

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

337

views

Textbook Question

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

292

views

Textbook Question

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

341

views

Textbook Question

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

386

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

248

views

Textbook Question

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

394

views

Textbook Question

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

356

views

Textbook Question

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

308

views

Textbook Question

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

376

views

Textbook Question

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

345

views

Textbook Question

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

398

views

Textbook Question

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

339

views

Textbook Question

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

378

views

Textbook Question

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

312

views

Textbook Question

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

311

views

Textbook Question

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

322

views

Textbook Question

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

263

views

Textbook Question

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

487

views

Textbook Question

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

336

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

275

views

Textbook Question

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

337

views

Textbook Question

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

329

views

Textbook Question

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

364

views

Textbook Question

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

345

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. 0.00072x0.003 / 0.00024

244

views

Textbook Question

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

425

views

Textbook Question

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

323

views

Textbook Question

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

395

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. A ⊆ U

312

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Textbook Question

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

514

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Textbook Question

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

259

views

Textbook Question

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

409

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. C ⊆ U

309

views

Textbook Question

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

338

views

Textbook Question

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

410

views

Textbook Question

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

290

views

Textbook Question

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

347

views

Textbook Question

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

325

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

326

views

Textbook Question

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

328

views

Textbook Question

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

280

views

Textbook Question

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

328

views

Textbook Question

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

336

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

302

views

Textbook Question

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

393

views

Textbook Question

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

279

views

Textbook Question

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

296

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. ∅ ⊆ ∅

341

views

Textbook Question

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

838

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Textbook Question

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

325

views

Textbook Question

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

241

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. {0, 2} ⊆ D

312

views

Textbook Question

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

434

views

Textbook Question

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

261

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. A ⊆ C

336

views

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)

320

views

Textbook Question

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

326

views

Textbook Question

Evaluate each expression 16^(1/2)

520

views

Textbook Question

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

243

views

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|

374

views

Textbook Question

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

338

views

Textbook Question

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

344

views

Textbook Question

Evaluate each expression 125^(-1/3)

513

views

Textbook Question

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

317

views

Textbook Question

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

379

views

Textbook Question

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

233

views

Textbook Question

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

395

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}

334

views

Textbook Question

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

294

views

Textbook Question

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

364

views

Textbook Question

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

231

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 17

746

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)

562

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

342

views

Textbook Question

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

407

views

Textbook Question

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

253

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

421

views

Textbook Question

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

444

views

Textbook Question

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

317

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

296

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}

348

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)

336

views

Textbook Question

Find each product or quotient where possible. 5/0

343

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

326

views

Textbook Question

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

342

views

Textbook Question

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

644

views

Textbook Question

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

316

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

views

Textbook Question

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

419

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Textbook Question

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

305

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Textbook Question

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

345

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Textbook Question

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

372

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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

334

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Textbook Question

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

317

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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

views

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

277

views

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

342

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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

347

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Textbook Question

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

390

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Textbook Question

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

342

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Textbook Question

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

380

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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.

353

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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

330

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Textbook Question

Evaluate each expression. -2^4

396

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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

297

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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

332

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

366

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

343

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

554

views

Textbook Question

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

253

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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

views

Textbook Question

Evaluate each expression. -3^5

352

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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

330

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

364

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Textbook Question

Evaluate each expression. (-2)^4

356

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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

297

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Textbook Question

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

321

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Textbook Question

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

318

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Textbook Question

Evaluate each expression. (-2)^6

333

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Textbook Question

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

357

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Textbook Question

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

337

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Textbook Question

Evaluate each expression. (-3)^5

323

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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

386

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Textbook Question

Evaluate each expression. (-2)^5

357

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Textbook Question

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

522

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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

299

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Textbook Question

Evaluate each expression. -4 * 5³

353

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Textbook Question

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

313

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Textbook Question

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

331

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. N′

371

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Textbook Question

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

314

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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′

305

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Textbook Question

Evaluate each expression. 9*3 - 16/4

345

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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

307

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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)

349

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 ∩ 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)

387

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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)

341

views

Textbook Question

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

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. ∅ ∩ Q

321

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Textbook Question

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

470

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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 ∪ ∅

291

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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

338

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

373

views

Textbook Question

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

416

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. (M ∩ N) ∪ R

295

views

Textbook Question

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

374

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. (1.2×10^4)/(2×10^−2)

307

views

Textbook Question

Add or subtract as indicated. 345.1 - 56.31

346

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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

377

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Textbook Question

Add or subtract as indicated. 3.87 + 15 + 2.9

338

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. (R ∪ N) ∩ M′

332

views

Textbook Question

Add or subtract as indicated. 32.56 + 47.356 + 1.8

305

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)

308

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Textbook Question

Add or subtract as indicated. 75.2 + 123.96 + 3.897

321

views

Textbook Question

Add or subtract as indicated. 18 - 2.789

322

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. (U ∩ ∅′) ∪ R

323

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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

379

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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}

387

views

Textbook Question

Multiply or divide as indicated. 12.8 * 9.1

317

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. {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)

351

views

Textbook Question

Multiply or divide as indicated. 34.04 * 0.56

330

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. {x | x ∈ M and x ∈ Q}

317

views

Textbook Question

Multiply or divide as indicated. 22.41 * 33

330

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. {x | x ∈ M or x ∈ Q}

380

views

Textbook Question

Multiply or divide as indicated. 0.07 * 0.004

398

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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

372

views

Textbook Question

Multiply or divide as indicated. 78.65/11

316

views

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

291

views

Textbook Question

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

366

views

Textbook Question

Multiply or divide as indicated. 32.48/11.6

378

views

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

702

views

Textbook Question

Multiply or divide as indicated.19.967/9.74

384

views

Textbook Question

Multiply or divide as indicated. 44.4788/5.27

360

views

Textbook Question

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

502

views

Textbook Question

Multiply or divide as indicated. 785.91 * 10

321

views

Textbook Question

Multiply or divide as indicated. 57.116 * 100

323

views

Textbook Question

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

365

views

Textbook Question

Multiply or divide as indicated. 0.094 * 1000

359

views

Textbook Question

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

314

views

Textbook Question

Multiply or divide as indicated. 1.62/10

320

views

Textbook Question

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

318

views

Textbook Question

Multiply or divide as indicated. 124.03 /100

329

views

Textbook Question

Multiply or divide as indicated. 23.29/1000

325

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 ?

378

views

Textbook Question

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

322

views

Textbook Question

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

315

views

Textbook Question

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

364

views

Textbook Question

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

762

views

Textbook Question

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

313

views

Textbook Question

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

303

views

Textbook Question

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

320

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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

704

views

Textbook Question

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

363

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

612

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. 3/8

326

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

836

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. 1/6

512

views

Textbook Question

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

263

views

Textbook Question

Write each percent as a decimal. 54%

356

views

Textbook Question

Write each percent as a decimal. 39%

331

views

Textbook Question

Write each percent as a decimal. 7%

352

views

Textbook Question

Write each percent as a decimal. 4%

332

views

Textbook Question

Write each percent as a decimal. 117%

310

views

Textbook Question

Write each percent as a decimal. 2.4%

354

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Textbook Question

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

464

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Textbook Question

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

549

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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?

336

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Textbook Question

Write each decimal as a percent. 0.83

703

views

Textbook Question

Write each decimal as a percent. 0.02

365

views

Textbook Question

Write each decimal as a percent. 0.08

393

views

Textbook Question

Write each decimal as a percent. 0.004

323

views

Textbook Question

Write each decimal as a percent. 0.005

363

views

Textbook Question

Write each decimal as a percent. 0.4

350

views

Textbook Question

Write each decimal as a percent. 0.6

333

views

Textbook Question

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

358

views

Textbook Question

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

386

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%

328

views

Textbook Question

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

306

views

Textbook Question

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

295

views

Textbook Question

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

362

views

Textbook Question

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

328

views

Textbook Question

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

327

views

Textbook Question

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

393

views

Textbook Question

Write each fraction as a percent. 4/5

437

views

Textbook Question

Write each fraction as a percent. 3/25

376

views

Textbook Question

Write each fraction as a percent. 7/50

463

views

Textbook Question

Write each fraction as a percent. 9/20

319

views

Textbook Question

Write each fraction as a percent. 2/11

338

views

Textbook Question

Write each fraction as a percent. 4/9

292

views

Textbook Question

Write each fraction as a percent. 9/4

325

views

Textbook Question

Write each fraction as a percent. 8/5

348

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

107

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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

views

Textbook Question

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

112

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Textbook Question

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

133

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Textbook Question

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

122

views

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

109

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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

146

views

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

101

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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

95

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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

55

views

Textbook Question

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

116

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Textbook Question

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

144

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Textbook Question

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

107

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Textbook Question

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

107

views

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)

116

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Textbook Question

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

119

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Textbook Question

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

133

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Textbook Question

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

143

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Textbook Question

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

105

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Textbook Question

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

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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.

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

In Exercises 1–12, find each absolute value. |-7|

Key Concepts

Absolute Value

Properties of Absolute Value

Evaluating Absolute Value

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