Simplifying Expressions With Negative Exponents - Purplemath

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Recall that negative exponents indicates that we need to move the base to the other side of the fraction line. For example:

(The "1's" in the simplifications above are for clarity's sake, in case it's been a while since you last worked with negative powers. One doesn't usually include them in one's work.)

In the context of simplifying with exponents, negative exponents can create extra steps in the simplification process. For instance:

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