finding cube root of 512 using the factoring method

blessed91

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Jan 19, 2007
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"Find the cube root of 512 using the factoring method"

my book explains how to use the factoring method for this, but I didn't understand it at all. Is there an easier way to do this?
 
29=512\displaystyle 2^{9}=512

(23)3=512\displaystyle (2^{3})^{3}=512

23=5123\displaystyle 2^{3}=\sqrt[3]{512}
 
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