1.   Solve the equation a = (-5) + 13.
    A. -18 B. 8
    C. 18 D. -8
    Hint

  2.   Choose a tens digit for 2?6 so that the three-digit number is divisible by 6.
    A. 0 B. 3
    C. 2 D. 1
    Hint

  3.   Determine which expression is not a monomial.
    A. -14(-st)(3u) B. 17p(-qr)
    C. 12w(xy + z) D. ab
    Hint

  4.   In the expression (-4)2, -4 is called the ______.
    A. product B. exponent
    C. base D. power
    Hint

  5.   Evaluate the expression 4n + m2 if m = 6 and n = 8.
    A. 88 B. 40
    C. 44 D. 68
    Hint

  6.   What is the complete factorization of -168?
    A. -1 · 2 · 32 · 7 B. -1 · 2 · 3 · 7
    C. -1 · 23 · 3 · 7 D. -1 · 2 · 3 · 4 · 7
    Hint

  7.   What is the greatest common factor of 45, 75, and 135?
    A. 5 B. 9
    C. 25 D. 15
    Hint

  8.   What is the greatest common factor of 18mn2, 54m4, and 80n3?
    A. 9mn B. 2
    C. 18m2n3 D. 2mn2
    Hint

  9.   Write in simple form.
    A. B.
    C. D.
    Hint

  10.   Find 32 · 34.
    A. 39 B. 36
    C. 38 D. 32
    Hint

  11.   Express 7-3 using positive exponents.
    A. B.
    C. (-7)3 D.
    Hint

  12.   Write a2b-3 using positive exponents.
    A. B.
    C. D.
    Hint

  13.   How would 9.3 × 10-7 be written in standard form?
    A. 930,000,000
    B. 0.00000093
    C. 0.000000093
    D. 93,000,000
    Hint

  14.   Write in standard form.
    A. 3.57682 B. 0.357682
    C. 3,576,820 D. 357,682
    Hint

  15.   Which fraction is written in simplest form?
    A. Already simplified B.
    C. D.
    Hint

  16.   Find
    A. 18 B. x8
    C. x3 D. 13
    Hint



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