Simplify: (3^2/x^5)^3

i dont get it. where are the "descriptions"?

8(4)^8=72^feet to say that the total can conclude to 8(4) which as you know would mean 8 x 4. that equals 32w. 32^ could make a 72 answer as well. but your coefficent will remain w so your answer is 72w.

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i think the answer is b. i hope i !