Question

Which is the simplified form of (9c^-9)^-3

Answer 1

Answer: B. 1/729 c^27

Step-by-step explanation: Got it right on edgunuity. Hope this helps!

Answer 2

Given (9c^-9)^-3

-9
I'd apply the exponent -3 to 9 and c separately, obtaining:

-3 -9 -3
9 * [ c ]

...which is best written as:

1 1
------- * ---------
9^3 c^27

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