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Simplify the expression use only positive exponents:

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


2. 5^-4*5^-5/5^-6

PLZ HELP

User Bhdrkn
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1 Answer

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18 votes

Answer:

try doing it

Explanation:

User Mike Chan
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