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Mathematics 21 Online
OpenStudy (anonymous):

Choose the correct simplification of the expression .

OpenStudy (anonymous):

|dw:1343863777937:dw|

OpenStudy (anonymous):

is it already simplified

OpenStudy (btaylor):

when an exponent is negative, you multiply by its reciprocal. So you get \[\large \frac{4}{y^{-3}} = 4y^3\]

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