1.   Rewrite without using a fraction bar.
    A. a2b2 - c3d B. a2b2c-3d-1
    C. a2b2(-c3d) D. a2b2c-3d
    Hint

  2.   Write the expression 5-4 using a positive exponent.
    A. 54 B.
    C. -54 D.
    Hint

  3.   Write the expression m-7 using a positive exponent.
    A. B. m7
    C. -m7 D.
    Hint

  4.   Write as an expression using a negative exponent.
    A. B.
    C. 2-6 D. -26
    Hint

  5.   Evaluate y-5 if y = -2.
    A. B.
    C. 32 D. -32
    Hint



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