Posted by **Jake** on Wednesday, January 28, 2009 at 2:00pm.

Simplify the exponential expression. Assume the variables represent nonzero real numbers.

(2^-1 x^-5 y^-5)^-2 (2x^-2 y^4)^-2(4x^-2 y^4)^0

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(2x^-5 y^-5)^2

the line by the way means to divide. i have no idea how to solve :( All i know is the (4x^-2 y^4)^0 is equal to 1 and that kinda cancels itself out.

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