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August 28, 2014

August 28, 2014

Posted by **MathHelp** on Thursday, January 12, 2012 at 12:47am.

125^-2/3

=125^3/2

=square root(125^3)

I'm stuck in this part what do I do next?

please help

- math 11 -
**Steve**, Thursday, January 12, 2012 at 6:21am125 = 5^3

125^-2/3 = 1/(125^2/3) = 1/(5^3)^2/3 = 1/5^2 = 1/25

-----------

125^3/2 = sqrt(125)^3

not the same thing at all

- math 11 -
**MathHelp**, Thursday, January 12, 2012 at 8:42amok thanx

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