16.6 Negative exponent rule

Negative exponent rule

Don’t be scared by the negative sign! Just flip the number over to get rid of the negative sign. In other words, a number with a negative exponent should be put to the denominator, and vice versa.


an=1an,a0 {a^{-n}} = \frac{1}{a^n} , a \neq 0
and1an=an,a0 and \frac{1}{a^{-n}} = {a^n} , a \neq 0
  • 2.
    Simplify the following:
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Negative exponent rule

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