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Posted by alainia on Friday, October 29, 2010 at 6:55pm.
Use the properties of exponents to rewrite each expression so that it contains only positive exponents and simplify. (x^-1y^-2/x^-2y^3)^2
[(1/xy^2)/(y^3/x^2)]^2 [x/y^5]^2 x^2/y^10
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