ANSWERS

Basic Arithmetic

p. 9: 1. 67, 80 2. 23 3. –10, -50, -250

p. 10: 1. 3,1,5,9,13,17,21 2. 2,3,4,5

3.6,9,12,15,18 4. 144,72,36 5. 729,243, 81,27,9,3 6. 1,45,2025

7.100,90,80,70,60 8. 1,21,41,61
Fractions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

p. 11: 1.

 

29

 

2. .115 3.

 

35

 

 

 

 

 

 

 

 

56

 

 

3

 

 

 

 

 

 

 

 

p. 12: 1.

13

 

 

2.

0.286

3.

11

3

 

4.

 

7

48

 

 

28

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

995

 

 

5

 

 

 

5

 

 

 

 

5.

6.

 

7. 45

 

8.

 

17

 

 

 

264

 

6

 

 

 

 

4

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

Powers and Roots

 

 

 

 

 

 

 

 

 

 

 

p. 13: 1.

729

2.

3.737

3.

0.765

4.

4

 

 

p. 14: 1.

55

 

2.

8.382 3.

No 4.

512

 

 

5.2048 6. 12

Parentheses and Editing

 

 

 

 

 

p. 15: 1. 11.848

2.

4.189

 

 

 

 

 

p. 16: 1.

 

 

288

2.

166

2

3.

972

 

 

 

 

 

 

 

 

 

3

 

 

 

 

4. 1333

 

1

5.

166

2

 

6.

 

288

 

 

 

 

 

 

3

 

 

 

3

 

 

 

 

 

 

 

 

Angle Conversions

 

 

 

 

 

p. 17: 1.

, 50 2.

11.399 3.

243'4.8"

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

p. 18: 1.

 

 

5

2.

355

5

 

 

3.

2

4. 54

12

 

 

5

 

 

 

9

 

 

 

 

 

 

5.27636'0"

Trigonometric Functions

 

 

p. 19: 1.

3.014

2.

13

 

 

p. 20: 1.

19.602

2.

34.611

3.

48.272

4.22.104 5. 18.974

Inverse Trigonometric Functions

p. 21: 1. 452. 903.

4

p. 22: 1. 7.12 2. 0.662 3. 904. 2.692

5.22.620

Coordinate Conversions

p. 23: 1. 1.414, 45 2. -2.694, -0.862

p. 24: 1. 2.828, 45 2. 4.583, 0.714

3.3.973, 0.467 4. 1.000, 0.026

5.1.414, 150

Logarithms

 

 

 

 

 

 

 

 

p. 25: 1.

3 2.

1

3.

1 4.

2

5.

2

p. 26: 1.

9.180

 

2.

10.507

3. 55

 

2

 

 

 

 

 

 

 

4.

2

 

5.

 

0.777

6.

18.950

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inverse Logarithmsp. 27: 1. 1000000 2. 1.00 1018 3. 2.718p. 28: 1. 11017 2. 0.677 3. 12.925

4.0.230 5. 8.405 6. 98.052

Base Conversion

p. 29: 1. 153 2. 2641013001 3. 14103134

p. 30: 1. 3323013 2. 100100011 3. 4 4. 10 5. 170, 252, 1140

Random

p. 31: Answers will vary

p. 32: Answers will vary

Probabilityp. 33: 1. 3628800 2. 6 3. 12
p. 34: 1.

210

2.

5040

3.

455

4.

2730

5.120 6. 1, 1

1 Variable Statistics

p. 35: 1. 32,13.038, 11.662, 5, 160, 5800

p. 36: 1. 2.222, 0.833, 0.786, 9, 20, 50 2. 19, 6.519, 5.831, 5, 95, 1975 3. 3.333, 2.733, 2.494, 6, 20, 104 4. 10.5, 11.862, 10.828, 6, 63, 1365

2 Variable Statistics

p. 37: 1. 3.4, 3.782, 3.382, 5, 17, 115, 5, 3.464, 3.382, 25, 173, 2.147, 0.839

p. 38: 1. 2.5, 1.291, 1.118, 4, 10, 30, 3.75, 3.096, 2.681, 15, 85, -2, 2.3 2. 3.5, 1.871, 1.708, 6, 21, 91, 4.667, 3.327, 3.037, 28, 186, 2.467, 0.629

39