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May 23, 2015

Homework Help: math

Posted by alainia on Friday, October 29, 2010 at 6:52pm.

Use the properties of exponents to rewrite each expression so that it contains only positive exponents and simplify the result. The answer is suppose to be 1/9. thank you

(b^-1/3a^-1)(3a/b)^-1

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