Basic Mathematics for College Students

Chapter 8 Cumulative Review 709

28. Consider the decimal number: 304.817[Section 4.1]

a. What is the place value of the digit 1?

b. Which digit tells the number of thousandths?

c. Which digit tells the number of hundreds?

d. What is the place value of the digit 7?

e. Round 304.817 to the nearest hundredth.

Perform the operations.

29. 6 [Section 4.2]


30. 202.234 [Section 4.2]


31. [Section 4.3]


32. [Section 4.3]


33. Divide by .[Section 4.4]


34. (nearest hundredth) [Section 4.4]


35. Estimate the quotient: [Section 4.4]


36. COINS Banks wrap dimes in rolls of 50 coins. If a
    dime is 1.35 millimeters thick, how tall is a stack of 50
    dimes? [Section 4.3]


37. Write each fraction as a decimal.[Section 4.5]

a. b. (use an overbar)

38. Evaluate: [Section 4.6]


39. Write the ratio 4535 as a fraction in simplest form.
    [Section 5.1]


40. ANNIVERSARY GIFTS A florist sells a dozen
    long-stemmed red roses for $45. In honor of
    their 25th wedding anniversary, a man wants to
    buy 25 roses for his wife. What will the roses cost?
    (Hint:How many roses are in one dozen?)
    [Section 5.2]


41. Solve the proportion: [Section 5.2]


42. Convert 80 minutes to hours.[Section 5.3]


43. Convert 7,500 milligrams to grams [Section 5.4]


44. TRACK AND FIELD A shot-put weighs
    7.264 kilograms. Give this weight in pounds.
    [Section 5.5]


45. Complete the table below.[Section 6.1]

9.8

x



2.8

5.4

50 [(6^2 24) 9225 ]

1

66

19

25

284.25491.4

12.2430.9

0.4531 0.001

(0.2)^2  40 2.31.5 0

5.8(3.9)(100)

 19.34

45 9.900050.123.02002

46. 13 is what percent of 25? [Section 6.2]


47. 7.8 is 12% of what number? [Section 6.2]


48. INSTRUCTIONAL EQUIPMENT Find the amount
    of the discount and the sale price of the overhead
    projector shown below.[Section 6.3]


49. Estimate: What is 5% of 16,359? [Section 6.4]


50. LOANS If $400 is invested at 6.5% simple interest
    for 6 years, what will be the total amount of money in
    the investment account at the end of the 6 years?
    [Section 6.5]


51. SPACE TRAVEL A Gallup Poll conducted July
    10–12, 2009, asked a group of adults whether the U.S.
    space program has brought enough benefits to the
    country to justify the costs. The results are shown in
    the bar graph below.[Section 7.1]

a. Which age group felt more positive about the

benefits of the space program?

b. If 800 people in the survey were in the 50+ age

group, how many of them responded that the

benefits of the space program did not justify the

costs?

52. Find the mean, median, and mode of the following set
    of values.[Section 7.2]
    104571032310


53. Evaluate for 3 xx^3 x 4 .[Section 8.1]

Source: gallup.com

18–49 50+

63%

34%

54%

41%

It’s now 40 years since the United States

first landed men on the moon. Do you

think the space program has brought

enough benefits to this country to justify

its costs, or don’t you think so?

By age

Yes No

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OVERHEAD PROJECTORS

Fraction Decimal Percent

0.25

33 %

4.2%

1

3

1

3