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9
that's the answer
just simplify the exponential equation using laws of indices
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![\sqrt[3]{( - 27)} { }^(2) \\ ( - 3) {}^(2) \\ 9](https://img.qammunity.org/2020/formulas/mathematics/middle-school/lcy8s3sozjmur29k18sbgfdbeed9u980gm.png)