## anonymous 4 years ago (9^7) (9^-7)

1. anonymous

$9^{-7}=\frac{1}{9^7}$

2. anonymous

Does that help?

3. anonymous

the problem says evaluate

4. Mertsj

Remember that if you are multiplying factors with the same base, you can just add the exponents.

5. anonymous

You're supposed to do your own homework.

6. anonymous

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