1.   The number 64 is divisible by which of the following?
    A. 4 B. 6
    C. 3 D. 5
    Hint

  2.   Express 130,254 in expanded form.
    A. (1 105) + (3 104) + (2 103) + (5 102) + (4 101)
    B. (1 106) + (3 105) + (2 103) + (5 102) + (4 101)
    C. (1 105) + (30 104) + (2 102) + (5 101) + (4 100)
    D. (1 105) + (3 104) + (2 102) + (5 101) + (4 100)
    Hint

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

  4.   Express the ratio 12gh:30h2g in simplest form.
    A. B.
    C. D.
    Hint

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

  6.   The number 462 is divisible by which of the following?
    A. 6 B. 10
    C. 5 D. None of these
    Hint

  7.   Evaluate 7(a b)3 if a = 3 and b = 1.
    A. 42 B. 28
    C. 56 D. 8
    Hint

  8.   Write the prime factorization of 756.
    A. 2 · 35 · 7 B. 22 · 33 · 7
    C. 23 · 33 · 7 D. 22 · 3 · 63
    Hint

  9.   Factor 15x2.
    A. 3 · 5 · x · x B. 3 · 5 · x2
    C. -1 · 3 · 5 · x2 D. -1 · 3 · 5 · x · x
    Hint

  10.   Factor 15x3 - 5x2.
    A. x2 (15x 5) B. 5x2 (3x 1)
    C. x(15x2 - 5x) D. 5x(3x2 - x)
    Hint

  11.   The area of a rectangle can be written by the expression 24x4+ 18x3. Find a set of possible dimensions for this rectangle.
    A. 6x3 by 4x + 3
    B. 3 by 8x3 + 6x3
    C. 2x4by 12 + 9x
    D. 24x3 by x + 18
    Hint

  12.   Find (14b5)(-1b6).
    A. -14b30 B. 14b11
    C. 14b30 D. -14b11
    Hint

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

  14.   Write the expression m-7 using a positive exponent.
    A. m7 B.
    C. -m7 D.
    Hint

  15.   Express 2.629 × 107 in standard form.
    A. 2,629 B. 0.0000002629
    C. 26,290,000 D. 2,629,000
    Hint

  16.   Express 1,000,000 in scientific notation.
    A. 1 × 107 B. 1 × 105
    C. 1 × 106 D. 1 × 10-6
    Hint



Glencoe
The McGraw-Hill Companies