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Simplify assume Y=not to 0

(3y^-3)^4

would the answer be 1/81y^12

2 answers

Nope, missed it again.

3^4 * y^(-3)^4 = 81 * y^-12 = 81/y^12

The negative power applies only to y, not the 3 as well.
On the other hand, ((3y)^-3)^4 is 1/(81y^12)
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