Posted by **kairi** on Wednesday, March 7, 2007 at 10:08pm.

need help again!!!!!

Simplify the expression. Use only positive exponents.

8x^2 y^-2 . (4xy^2)^-1

__________ ____________

x^-2y x^2y

i'm sorry i can't read your question that well. use "/" sign for fractions and "*" sign for multiplication please.

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