Respuesta :

So, I am assuming your problem looks like this: (3k/4)^3

If that is true, then simply substitute 3 in for k so you get: [3(3)/4]^3

That is equal to (9/4)^3 which is equal to (9/4)(9/4)(9/4) = (729/64)

So your answer is 729/64 or 11.390625

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