1.   The rule for negative exponents states that Which statement is not a correct use of this rule?
    A. B. 10-1 = 1
    C. D.
    Hint
  2.   Simplify the expression c-1d.
    A. B.
    C. D.
    Hint
  3.   Simplify .
    A. -2c2 B. -2a4b4c2
    C. -2a4c2 D.
    Hint
  4.   Simplify the expression g4h-8j2.
    A. B.
    C. D.
    Hint
  5.   Simplify the expression
    A. B.
    C. D.
    Hint