1.   Write using negative exponents.
    A. 2-4 B. -2-4
    C. -24 D. 2-3
    Hint
  2.   Write 0.478 in scientific notation.
    A. 4.78 × 10-1
    B. 4.78 × 102
    C. 4.78 × 10-2
    D. 478 × 101
    Hint
  3.   Simplify (3x3)4.
    A. 81x12 B. 12x12
    C. 3x7 D. 27x7
    Hint
  4.   Evaluate the expression.–2-4
    A. –16 B.
    C. D.
    Hint
  5.   Simplify the expression.–4x × 4x8
    A. –8x8 B. –8x9
    C. –16x8 D. –16x9
    Hint

Glencoe
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