1.   Evaluate the expression 5n4m-2 if m = 6 and n = 3.
    A. B.
    C. -5 D. -20
    Hint

  2.   How would 9.3 × 10-7 be written in standard form?
    A. 0.00000093
    B. 0.000000093
    C. 930,000,000
    D. 93,000,000
    Hint

  3.   Simplify (3x3)4.
    A. 3x7 B. 27x7
    C. 12x12 D. 81x12
    Hint

  4.   Evaluate the expression.–2-4
    A. B.
    C. –16 D.
    Hint

  5.   Simplify the expression.
–24x ÷ –4x-3
    A. B. 6x4
    C. D.
    Hint



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