SOLUTION: Could you help me with this? Its on simplifying radical expressions. sqrt of 81x^5y^9 and it has an index of 4 thank you

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Question 127752: Could you help me with this?
Its on simplifying radical expressions.
sqrt of 81x^5y^9 and it has an index of 4
thank you
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt of 81x^5y^9 and it has an index of 4
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= 3xy^2* 4th rt. of (xy)
OR
= 3xy^2*(xy)^(1/4)
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Cheers,
Stan H.