Which expression is equal to √8xy^3 * √20y^2? (Assume x and y are nonnegative) A.)4y√10x B.)4xy^2√10x C.)4y^2√10xy D.)4√10xy

asked Feb 2, 2018 201k views

4 votes

Which expression is equal to √8xy^3 * √20y^2?

(Assume x and y are nonnegative)
A.)4y√10x
B.)4xy^2√10x
C.)4y^2√10xy
D.)4√10xy

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7 votes

The expression can be written: √160xy⁵=√(16y⁴)(10xy)=4y²√10xy, Answer C.

Giles Gardam answered Feb 6, 2018

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