1.   Write the expression 4 · 4 · 4 · 4 · 4 using exponents.
    A. 54 B. 55
    C. 45 D. 44
    Hint

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

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

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

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



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