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Mathematics 8 Online
OpenStudy (anonymous):

Simplify the exponential expression. (x^3)^-9

OpenStudy (solomonzelman):

\[\huge\color{blue}{ a^{-b}= \frac{1}{a^b} } \]

OpenStudy (solomonzelman):

use x^3 as a and 9 as b (-9 is -b)

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