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OpenStudy (anonymous):
Multiply and simplify by factoring. Assume that all expressions under radicals represent non negative numbers ^3√y^4 * ^3√81y^5
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OpenStudy (anonymous):
i assume those ^3 mean third root, so you have y^4/3* (81*y^5)^(1/3)
OpenStudy (anonymous):
this would become y^(6/3)*81^(1/3)
OpenStudy (anonymous):
which is y^2*81^(1/3) (doesn't simplify any more)
OpenStudy (anonymous):
\[y^2*\sqrt[3]{81}\]
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