1.   What is the value of 4(9 + y) if y = 0.1?
    A. 36.1 B. 36.4
    C. 40 D. 3.6
    Hint

  2.   Evaluate c + 5 if c = 3.
    A. 8 B. 5
    C. 3 D. c + 3
    Hint

  3.   Evaluate 3x + 2y if x = 3 and y = 7.
    A. 27 B. 23
    C. 105 D. 5
    Hint

  4.   Solve 3x = 18.
    A. 7 B. 6
    C. 21 D. 15
    Hint

  5.   Solve 5 + y = 11.
    A. 16 B. 6
    C. 7 D. 2
    Hint

  6.   2,561 mm = ______m
    A. 2,561,000 B. 0.2561
    C. 2.561 D. 25.61
    Hint

  7.   Which symbol makes the following statement true?
7,500 ______ 7.5 103
    A. > B. =
    C. D. <
    Hint

  8.   Anna lives in San Francisco, and she has a business partner in Washington, D.C. Sometimes she flies to Washington for meetings; San Francisco and Washington, D.C., are 2438 miles apart. In August, Anna flies to Washington and back twice. What is a good estimate of the number of miles she has flown in August?
    A. 1000 miles B. 10000 miles
    C. 5000 miles D. 2500 miles
    Hint

  9.   Evaluate ab + 8 if a = 4 and b = 7
    A. 60 B. 36
    C. 55 D. 28
    Hint

  10.   Evaluate 5k + if
k = 3, m = 20, and n. = 5.
    A. 20 B. 19
    C. 7 D. 57
    Hint

  11.   Multiply 45.3 × 102.
    A. 4,530 B. 453
    C. 0.453 D. 4.53
    Hint

  12.   57 mL = ______ L
    A. 0.0057 B. 0.057
    C. 0.57 D. 57,000
    Hint

  13.   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. 2.99 × 109 B. 3.00 × 108
    C. 3.00 × 109 D. 2.99 × 1010
    Hint

  14.   Write 1,360,000,000,000 in scientific notation.
    A. 13.6 × 1012 B. 1.36 × 1012
    C. 1.36 × 1013 D. 0.136 × 1013
    Hint

  15.   Find the next term in the sequence
1, 6, 36, 216,
    A. 222 B. 1296
    C. 7776 D. 1944
    Hint

  16.   Write 45 as a product of the same factor.
    A. 5 · 5 · 5 · 5 B. 4 · 4 · 4 · 4 · 4
    C. 4 · 4 · 4 · 4 D. 5 · 5 · 5 · 5 · 5
    Hint

  17.   Express 64 in exponential form as a power of 4.
    A. 44 B. 26
    C. 45 D. 43
    Hint

  18.   Evaluate 16 + (9 - 4)10 - 4 · 5.
    A. 46 B. 35
    C. 96 D. 190
    Hint

  19.   The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room?
   
    A. 5(1.5 + 1) + 2
    B. 1.5 + 1.5 + 1.5 + 1 + 1 + 2
    C. 3(1.5) + 2(1) + 2
    D. 3 × 1.5 + 2 × 1 + 2
    Hint

  20.   Mrs. Robinson bought each of her two daughters a red, white, and blue striped sweater. Her total came to $33.30. Find an equation that shows how much each sweater cost. Use s to represent of the cost of 1 sweater.
    A. 2s = 33.3 B. 2 + s = 33.3
    C. = 33.3 D. s - 2 = 33.3
    Hint



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