1.   Solve
    A. 24 B. 3
    C. 16 D. 4
    Hint

  2.   Write 2,564,000 in scientific notation.
    A. 25.64×105 B. 2.564×105
    C. 2.564×106 D. 2,564×103
    Hint

  3.   Write 120,000,000 in scientific notation.
    A. 12×107 B. 1.2×108
    C. 0.12×109 D. 1.2×109
    Hint

  4.   The following are scores on an English exam. The highest score possible is 100. Which is the correct line plot?
   
    A.
    B.
    C.
    D.
    Hint

  5.   Which of the following numbers is composite?
    A. 31 B. 9
    C. 1 D. 23
    Hint

  6.   What is the greatest common factor of 16x2 and 12x?
    A. 4x2 B. 4x
    C. 16x2 D. 12x
    Hint

  7.   Express as a decimal.
    A. 3.5625 B. 0.2807
    C. 0.35625 D. 2.807
    Hint

  8.   The speed of light in a vacuum is exactly 299,792,458 meters per second. Write this number in scientific notation with the factor rounded to the hundredths place.
    A. 3.00 × 108 B. 3.00 × 109
    C. 2.99 × 109 D. 2.99 × 1010
    Hint

  9.   Which of the following numbers is prime?
    A. 75 B. 57
    C. 63 D. 43
    Hint

  10.   Express in simplest form.
    A. B.
    C. D.
    Hint

  11.   Find the least common denominator for and .
    A. 56 B. 112
    C. 14 D. 24
    Hint

  12.   Solve x = -9 - (-7).
    A. -2 B. 16
    C. -16 D. 2
    Hint

  13.   For membership to an athletic club, it costs $150 to join and $28 per month of membership. Write an equation to figure out how many months it will be before the total cost is $290.
    A. 290 = 150m + 28 B. 150 + 28m = 290
    C. 28 + 290m = 150 D. 150 = 290 + 28m
    Hint

  14.   Express 0.47 as a percent.
    A. 470% B. 47%
    C. 0.47% D. 4.7%
    Hint

  15.   The graph below shows the number of minutes spent on the phone. What conclusion cannot be made about the data in the graph?
   
    A. Fourteen calls were made that were 10 minutes or less.
    B. There were a total of 69 calls made.
    C. Nineteen calls were made that were between 16 and 20 minutes.
    D. The interval with the fewest number of calls is 6-10.
    Hint

  16.   Evaluate |-15| - |-9|.
    A. 6 B. 24
    C. -6 D. -24
    Hint

  17.   Miami, Florida is 5 hours ahead of Honolulu, Hawaii. If it is 5:00 A.M. in Miami, what time is it in Honolulu?
    A. 1:00 A.M. B. midnight
    C. 11:00 P.M. D. 10:00 A.M.
    Hint

  18.   Of all Americans who use a mobile phone, approximately 1 in 5 subscribe to the wireless Internet. What percent of mobile phone users is this?
    A. 10% B. 15%
    C. 40% D. 20%
    Hint

  19.   About 1 in every 25 people in Honolulu, Hawaii speak Chinese at home. What percent of people is this?
    A. 25% B. 8%
    C. 5% D. 4%
    Hint

  20.   Find the true sentence.
    A. 63% < 0.6 B. > 0.17
    C. 45% > D. 0.56 =
    Hint



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