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

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

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

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

  5.   Find y for y = x2 - 15 if x = 6.
    A. -3 B. 51
    C. 21 D. 49
    Hint



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