Write each fraction as a percent. 9/20

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

391

views

Textbook Question

Evaluate each expression. 0/7

453

views

Textbook Question

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

386

views

Textbook Question

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

538

views

Textbook Question

Evaluate each expression. 10^3

355

views

Textbook Question

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

244

views

Textbook Question

Write each fraction in lowest terms. 8/16

348

views

Textbook Question

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

344

views

Textbook Question

Evaluate each expression. 2*5 - 10/12

419

views

Textbook Question

Write each fraction in lowest terms. 4/12

364

views

Textbook Question

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

344

views

Textbook Question

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

259

views

Textbook Question

Evaluate each expression. |-4|

389

views

Textbook Question

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

327

views

Textbook Question

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

206

views

Textbook Question

Write each fraction in lowest terms. 16/20

347

views

Textbook Question

Write each fraction in lowest terms. 90/150

400

views

Textbook Question

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

558

views

Textbook Question

Evaluate each expression. |-10|

378

views

Textbook Question

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

274

views

Textbook Question

Write each fraction in lowest terms. 100/140

370

views

Textbook Question

Evaluate each expression. |-15|

369

views

Textbook Question

Write each fraction in lowest terms. 18/90

366

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, ....}

361

views

Textbook Question

Evaluate each expression. -|4/7|

395

views

Textbook Question

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

589

views

Textbook Question

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

244

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. √27

Write each fraction in lowest terms. 16/64

491

views

Textbook Question

Evaluate each expression. -|7/2|

374

views

Textbook Question

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

362

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}

320

views

Textbook Question

Evaluate each expression. -|-3|

367

views

Textbook Question

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

262

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

388

views

Textbook Question

Evaluate each expression. -|-12|

368

views

Textbook Question

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

325

views

Textbook Question

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

256

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}

709

views

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

10653

views

Textbook Question

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

738

views

Textbook Question

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

388

views

Textbook Question

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

397

views

Textbook Question

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

362

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?

1414

views

Textbook Question

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

265

views

Textbook Question

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

474

views

Textbook Question

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

547

views

Textbook Question

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

341

views

Textbook Question

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

382

views

Textbook Question

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

215

views

Textbook Question

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

644

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|

329

views

Textbook Question

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

355

views

Textbook Question

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

364

views

Textbook Question

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

245

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|

305

views

Textbook Question

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

340

views

Textbook Question

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

432

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}

566

views

Textbook Question

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

250

views

Textbook Question

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

422

views

Textbook Question

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

414

views

Textbook Question

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

610

views

Textbook Question

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

727

views

Textbook Question

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

343

views

Textbook Question

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

455

views

Textbook Question

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

359

views

Textbook Question

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

285

views

Textbook Question

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

416

views

Textbook Question

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

306

views

Textbook Question

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

321

views

Textbook Question

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

488

views

Textbook Question

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

363

views

Textbook Question

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

248

views

Textbook Question

Find each sum or difference. -15+6

324

views

Textbook Question

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

332

views

Textbook Question

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

306

views

Textbook Question

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

528

views

Textbook Question

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

394

views

Textbook Question

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

392

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)

294

views

Textbook Question

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

347

views

Textbook Question

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

359

views

Textbook Question

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

336

views

Textbook Question

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

469

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)

251

views

Textbook Question

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

358

views

Textbook Question

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

376

views

Textbook Question

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

604

views

Textbook Question

Find each sum or difference. -2.8 + 4.5

392

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}

1427

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)

272

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)

327

views

Textbook Question

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

497

views

Textbook Question

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

363

views

Textbook Question

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

822

views

Textbook Question

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

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. (4.3X10⁸)(6.2X10⁴)

199

views

Textbook Question

Find each sum or difference. 4 - 9

355

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. {-11, -5/6, 0, 0.75, √5, π, √64}

459

views

Textbook Question

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

260

views

Textbook Question

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

373

views

Textbook Question

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

366

views

Textbook Question

Find each sum or difference. -6 - 5

338

views

Textbook Question

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

358

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

248

views

Textbook Question

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

308

views

Textbook Question

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

494

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

266

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

345

views

Textbook Question

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

361

views

Textbook Question

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

296

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

391

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

251

views

Textbook Question

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

397

views

Textbook Question

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

357

views

Textbook Question

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

312

views

Textbook Question

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

399

views

Textbook Question

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

346

views

Textbook Question

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

399

views

Textbook Question

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

342

views

Textbook Question

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

396

views

Textbook Question

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

314

views

Textbook Question

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

314

views

Textbook Question

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

344

views

Textbook Question

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

266

views

Textbook Question

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

490

views

Textbook Question

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

338

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

278

views

Textbook Question

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

339

views

Textbook Question

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

330

views

Textbook Question

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

388

views

Textbook Question

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

349

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

246

views

Textbook Question

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

430

views

Textbook Question

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

348

views

Textbook Question

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

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. A ⊆ U

314

views

Textbook Question

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

517

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Textbook Question

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

263

views

Textbook Question

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

418

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

315

views

Textbook Question

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

360

views

Textbook Question

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

412

views

Textbook Question

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

295

views

Textbook Question

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

349

views

Textbook Question

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

329

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

329

views

Textbook Question

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

346

views

Textbook Question

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

283

views

Textbook Question

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

332

views

Textbook Question

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

355

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

307

views

Textbook Question

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

398

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)

283

views

Textbook Question

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

299

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. ∅ ⊆ ∅

345

views

Textbook Question

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

846

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Textbook Question

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

328

views

Textbook Question

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

246

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

320

views

Textbook Question

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

435

views

Textbook Question

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

264

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

339

views

Textbook Question

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

320

views

Textbook Question

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

323

views

Textbook Question

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

329

views

Textbook Question

Evaluate each expression 16^(1/2)

538

views

Textbook Question

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

248

views

Textbook Question

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

299

views

Textbook Question

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

376

views

Textbook Question

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

341

views

Textbook Question

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

347

views

Textbook Question

Evaluate each expression 125^(-1/3)

532

views

Textbook Question

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

321

views

Textbook Question

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

395

views

Textbook Question

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

236

views

Textbook Question

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

397

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

297

views

Textbook Question

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

382

views

Textbook Question

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

236

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

755

views

Textbook Question

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

332

views

Textbook Question

Evaluate each expression 27^(-4/3)

588

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

345

views

Textbook Question

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

427

views

Textbook Question

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

256

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

423

views

Textbook Question

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

447

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

286

views

Textbook Question

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

301

views

Textbook Question

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

332

views

Textbook Question

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

352

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

344

views

Textbook Question

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

339

views

Textbook Question

Find each product or quotient where possible. 5/0

362

views

Textbook Question

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

423

views

Textbook Question

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

330

views

Textbook Question

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

346

views

Textbook Question

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

653

views

Textbook Question

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

319

views

Textbook Question

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

326

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

421

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Textbook Question

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

308

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Textbook Question

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

348

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Textbook Question

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

375

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Textbook Question

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

314

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Textbook Question

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

336

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Textbook Question

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

327

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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

338

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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

306

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

279

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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

344

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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

349

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Textbook Question

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

408

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Textbook Question

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

345

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Textbook Question

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

386

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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.

358

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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

336

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Textbook Question

Evaluate each expression. -2^4

408

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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

302

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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

335

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

371

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

347

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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

565

views

Textbook Question

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

259

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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

343

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Textbook Question

Evaluate each expression. -3^5

365

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Textbook Question

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

327

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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

332

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

369

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Textbook Question

Evaluate each expression. (-2)^4

376

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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

412

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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

302

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Textbook Question

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

327

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Textbook Question

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

322

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Textbook Question

Evaluate each expression. (-2)^6

346

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Textbook Question

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

363

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Textbook Question

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

343

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Textbook Question

Evaluate each expression. (-3)^5

344

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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

367

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Textbook Question

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

352

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Textbook Question

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

388

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Textbook Question

Evaluate each expression. (-2)^5

375

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Textbook Question

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

527

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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

306

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Textbook Question

Evaluate each expression. -4 * 5³

372

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Textbook Question

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

317

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Textbook Question

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

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. N′

373

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Textbook Question

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

316

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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′

309

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Textbook Question

Evaluate each expression. 9*3 - 16/4

352

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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

312

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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)

352

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′

313

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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)

408

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. (4.3×10^8)(6.2×10^4)

343

views

Textbook Question

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

343

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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

325

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Textbook Question

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

483

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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 ∪ ∅

293

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Textbook Question

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

344

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Textbook Question

Add or subtract as indicated. 28.73 - 3.12

353

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)

329

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Textbook Question

Add or subtract as indicated. 46.88 - 13.45

395

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Textbook Question

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

435

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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

299

views

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)

310

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Textbook Question

Add or subtract as indicated. 345.1 - 56.31

382

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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

380

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Textbook Question

Add or subtract as indicated. 3.87 + 15 + 2.9

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. (R ∪ N) ∩ M′

335

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Textbook Question

Add or subtract as indicated. 32.56 + 47.356 + 1.8

308

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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. (2.4×10^−2)/(4.8×10^-6)

337

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)

313

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Textbook Question

Add or subtract as indicated. 75.2 + 123.96 + 3.897

325

views

Textbook Question

Add or subtract as indicated. 18 - 2.789

344

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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

383

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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}

391

views

Textbook Question

Multiply or divide as indicated. 12.8 * 9.1

336

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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}

349

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)

356

views

Textbook Question

Multiply or divide as indicated. 34.04 * 0.56

348

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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}

323

views

Textbook Question

Multiply or divide as indicated. 22.41 * 33

355

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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}

385

views

Textbook Question

Multiply or divide as indicated. 0.07 * 0.004

415

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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

376

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Textbook Question

Multiply or divide as indicated. 78.65/11

324

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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

296

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Textbook Question

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

370

views

Textbook Question

Multiply or divide as indicated. 32.48/11.6

407

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

711

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Textbook Question

Multiply or divide as indicated.19.967/9.74

405

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Textbook Question

Multiply or divide as indicated. 44.4788/5.27

371

views

Textbook Question

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

507

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Textbook Question

Multiply or divide as indicated. 785.91 * 10

340

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Textbook Question

Multiply or divide as indicated. 57.116 * 100

337

views

Textbook Question

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

367

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Textbook Question

Multiply or divide as indicated. 0.094 * 1000

379

views

Textbook Question

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

317

views

Textbook Question

Multiply or divide as indicated. 1.62/10

341

views

Textbook Question

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

322

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Textbook Question

Multiply or divide as indicated. 124.03 /100

337

views

Textbook Question

Multiply or divide as indicated. 23.29/1000

343

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 ?

386

views

Textbook Question

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

328

views

Textbook Question

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

319

views

Textbook Question

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

374

views

Textbook Question

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

772

views

Textbook Question

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

317

views

Textbook Question

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

308

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Textbook Question

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

323

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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

716

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Textbook Question

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

368

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

624

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

329

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

852

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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

517

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Textbook Question

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

265

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Textbook Question

Write each percent as a decimal. 54%

383

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Textbook Question

Write each percent as a decimal. 39%

347

views

Textbook Question

Write each percent as a decimal. 7%

368

views

Textbook Question

Write each percent as a decimal. 4%

354

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Textbook Question

Write each percent as a decimal. 117%

339

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Textbook Question

Write each percent as a decimal. 2.4%

385

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Textbook Question

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

483

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Textbook Question

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

567

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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?

338

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Textbook Question

Write each decimal as a percent. 0.83

728

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Textbook Question

Write each decimal as a percent. 0.02

380

views

Textbook Question

Write each decimal as a percent. 0.08

422

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Textbook Question

Write each decimal as a percent. 0.004

355

views

Textbook Question

Write each decimal as a percent. 0.005

386

views

Textbook Question

Write each decimal as a percent. 0.4

366

views

Textbook Question

Write each decimal as a percent. 0.6

356

views

Textbook Question

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

363

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Textbook Question

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

389

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Textbook Question

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

340

views

Textbook Question

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

331

views

Textbook Question

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

309

views

Textbook Question

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

298

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Textbook Question

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

373

views

Textbook Question

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

331

views

Textbook Question

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

334

views

Textbook Question

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

399

views

Textbook Question

Write each fraction as a percent. 4/5

446

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Textbook Question

Write each fraction as a percent. 3/25

391

views

Textbook Question

Write each fraction as a percent. 7/50

484

views

Textbook Question

Write each fraction as a percent. 2/11

365

views

Textbook Question

Write each fraction as a percent. 4/9

300

views

Textbook Question

Write each fraction as a percent. 9/4

342

views

Textbook Question

Write each fraction as a percent. 8/5

360

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

111

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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

110

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Textbook Question

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

115

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Textbook Question

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

137

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Textbook Question

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

126

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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

111

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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

148

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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

106

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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

97

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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

144

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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

60

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Textbook Question

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

119

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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

109

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Textbook Question

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

111

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Textbook Question

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

133

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Textbook Question

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

121

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Textbook Question

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

123

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Textbook Question

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

137

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Textbook Question

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

147

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Textbook Question

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

111

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Textbook Question

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

134

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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.

$\left(-5a^2\right)\left(3a^8\right)$

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 fraction as a percent. 9/20

Key Concepts

Fractions

Percentages

Conversion Process

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