Basic Mathematics for College Students

10.$160 11.1, 2, 3, 4, 6, 8, 12, 24 12. 2  32  52 13. 80

14. 21 15. 35 16.$156,000 17.{...,5,4,3,2,
    1,0,1,2,3,4,5,...} 18.true 19. 15 20. 10
    21.200 ft 22.11°F per hour 23. 16 24. 35


15. 1 26. 2 27. 28. 29. 30. 31.


16. 33.30 sec 34. in. 35. 36.


17. 
    
    
    
    38. 
        
        
        
        39. 
            
            
            
            40. 41.width: 28 in.,
            
            
            
            
        
        
        
        
    
    
    
    

height: 6 in. 42. gal 43. ft 44. 45.

46. 
    

1.point 3.expanded 5.Thousands, Hundreds, Tens,
Ones, Tenths, Hundredths, Thousandths, Ten-thousandths

7. a. 10 b. 9. a. , 0.7 b. , 0.47

11.Whole-number part, Fractional part 13.ths
15.79,816.0245 17. a.9 tenths b. 6 c. 4 d.5 ones

19. 
    

    a.8 millionths b. 0 c. 5 d.6 ones

    
    


20. 
    


21. 
    


22. 
    


23. 
    

29.three tenths,

31.fifty and forty-one hundredths, 33.nineteen and

five hundred twenty-nine thousandths,

35.three hundred four and three ten-thousandths,

37.negative one hundred thirty-seven hundred-thousandths,

39.negative one thousand seventy-two and four

hundred ninety-nine thousandths, 41.6.187

43.10.0056 45. 47.104.000004 49. 51.
53. 55. 57. 59.
61.

63. 
    

65.506.2 67.33.08 69.4.234 71.0.3656 73.

75. 77.3.150 79.1.414213 81.16.100
    83.290.30350 85.$0.28 87.$27, 842 89.
    91.$1,025.78

 0.7

 2.7

 0.14

− 5 − 4 − 3 − 2 −10 12 34 5

–4.25–3.29–1.84–1.21 2.75

− 5 − 4 − 3 − 2 −10 12 34 5

• 3.9– 3.1 – 0.7 0.8 4.5

 16.39

 1,072

499

1,000


137
100,000

304

3

10,000

19

529

1,000

50

41

100

3

10

6 

4

10



9

1,000



4

10,000



1

100,000

7,000 400  90  8 

6

10



4

100



6

1,000



8

10,000

100  20  4 

5

10



7

100



5

1,000

30  7 

8

10



9

100

47

100

7

10

1

10

Study Set Section 4.1 (page 325)



2

49

5

6



3

64

3

5

12

274

1

4

5

11

15

9

11

12

6

9

10

7

2

5



53

8

10

5

7

11

16



1

35

1

5

12

4

9



4

5

5

2

3

4

93.

95.two-thousandths, 97.$0.16, $1.02, $1.20,

$0.00, $0.10 99.candlemaking, crafts, hobbies, folk dolls,

modern art 101.Cylinder 2, Cylinder 4 103.bacterium,

plant cell, animal cell, asbestos fiber 105. a.$Q3, 2007;$2.75

b.Q4, 2006; 113. a. in. b. ft^2

1.addend, addend, addend, sum 3.minuend,

subtrahend, difference 5.estimate 7.It is not correct:

15.212.5 28.7 9.opposite 11. a. b.13.55

c.7.4 13.46.600, 11.000 15.39.9 17.8.59 19.101.561

21.202.991 23.3.31 25.2.75 27.341.7 29.703.5

31.7.235 33.43.863 35. 37. 39.

41. 
    
    
    
    43. 
        
        
        
        45. 47.6.81 49.17.82
        
        
        
        
    
    
    
    


42. 
    
    
    
    53. 
        
        
        
        55. 790 57. 610 59.
        
        
        
        
    
    
    
    


43. 63.38.29 65.55.00 67.47.91 69.658.04007
    71.0.19 73.4.1 75.288.46 77.70.29 79.


44. 83.8.03 85.15.2 87.4.977 89.2.598
    91.$815.80, $545.00, $531.49 93.1.74, 2.32, 4.06; 2.90, 0, 2.90
    95.2.375 in. 97.42.39 sec 99.$523.19, $498.19 101.1.1°,
    101.1°, 0°, 1.4°, 99.5° 103.20.01 mi 105. a.$101.94
    b.$55.80 113. a. b. c. d.

1.factor, factor, partial product, partial product, product

3. a.2.28 b.14.499 c.14.0 d.0.00026 5. a.positive
   b.negative 7. a.10, 100, 1,000, 10,000, 100,000 b.0.1,
   0.01, 0.001, 0.0001, 0.00001 9.29.76 11.49.84 13.0.0081
   15.0.0522 17.1,127.7 19.2,338.4 21. 684 23. 410
   25.6.4759 27.0.00115 29.14,200,000 31.98,200,000,000
   33.1,421,000,000,000 35.657,100,000,000 37.
   39.5.28 41.448,300 43. 45.11.56 47.0.0009
   49.3.16 51.68.66 53.119.70 55.38.16 57.14.6
   59.15.7 61. 250 63.66.69 65. 67.1.69
   69.0.84 71.0.00072 73. 75.12.32


4. 79.0.0049 81.14.24 83.8.6265


5. 
   
   
   
   87. 
       
       
       
       89. 91.24.48
       
       
       
       
   
   
   
   


6. 95.0.01, 0.04, 0.09, 0.16, 0.25, 0.36, 0.49, 0.64, 0.81
   97.1.9 in 99.$74,100 101.$95.20, $123.75
   103.0.000000136 in., 0.0000000136 in., 0.00000004 in.


7. a.2.1 mi b.3.5 mi c.5.6 mi 107.$102.65


8. a.19,600,000 acres b.6,500,000,000
   c.3,026,000,000,000 miles 111. a.192 ft^2 b.223.125 ft^2
   c.31.125 ft^2 113. a.$12.50, $12,500, $15.75, $1,575
   b.$14,075 115.136.4 lb 117.0.84 in. 125. 22 511


9. 234

1.2.86

Think It Through (page 368)



 

 0.8649

 57.2467  22.39  3.872

 17.48

 200,000

 0.1848

 678,231

 13.68

Study Set Section 4.3 (page 353)

48

25

    1

23

25

1

3

23

60

73

60

    1

13

60

 57.47

 14.3

 16.6

 4.5  3.4  10.9

 6.15  66.7  45.3

 14.7  18.8  14.68

 1.2

Study Set Section 4.2 (page 339)

9

5

8

12

1

2

 $2.05

2

1,000

1

500

.1 .2 .3 .4 .5 cc

Appendix V Answers to Selected Exercises A-41