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Mathematics 7 Online
OpenStudy (anonymous):

Evaluate -- square root of 81x^3y^6

OpenStudy (anonymous):

Ok, bit by bit. sqrt of 81?

OpenStudy (anonymous):

9

OpenStudy (anonymous):

sqrt of y^6?

OpenStudy (anonymous):

???

OpenStudy (anonymous):

What's y^3 * y^3?

OpenStudy (anonymous):

Y^9

OpenStudy (anonymous):

Nyet! You add powers......... So square root of y^6?

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