SOLUTION: What is square root y^4/81
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Question 884140: What is square root y^4/81
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
sqrt(y^4/81) = sqrt(y^4) / sqrt(81) = y^2/9.
sqrt(y^4) = y^2 because (y^2)^2 = y^4.
sqrt(81) = 9 because 9^2 = 81.
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