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

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

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

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

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



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