1.   Write x6 as a multiplication expression.
    A. 6 · 6 · 6 · 6 · 6 · 6
    B.
    C. x · x · x · x · x · x
    D. 6x
    Hint

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

  3.   Solve x = 34.
    A. x = 27 B. x = 12
    C. x = 64 D. x = 81
    Hint

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

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