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5-10.

Simplify each expression below. Assume that the denominator in part (b) is not equal to zero.

  • What do the exponents mean? Is there a shortcut?

  • What do the exponents mean?

  • Now how can you simplify the given problem?

  • Interpret the meaning of the exponents
    , then simplify.
    What is the shortcut?

  • Remember what each exponent means.