October 8, 2015

Homework Help: Exponent Rules

Posted by Anonymous on Wednesday, October 14, 2009 at 4:03pm.

SAC = STC/y = (w1(y/240)^2 + 48w2) / y
= (w1)(y/240)^2(y) + ((48)(w2))/y
= (w1)(y/240)^2 + ((48)(w2))/y <-- this is the final answer, but I don't understand it because of this part:

(w1)(y/240)^2(y) -> (w1)(y/240)^2

Don't you add exponents when you multiply variables? So wouldn't it become...


Note: w1, y, w2 are variables

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