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Mathematics 54 Online
OpenStudy (anonymous):

(1)/(xy^3) (all to the power of 3)Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.

OpenStudy (anonymous):

oops all to the power of -3

OpenStudy (anonymous):

x^3y^9

OpenStudy (anonymous):

how did u get that?

OpenStudy (anonymous):

you have \[(\frac{1}{xy^3})^{-3}\] yes?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

the negative exponent outside means take the reciprocal so just flip it and get \[(xy^3)^3\]

OpenStudy (anonymous):

now the negative exponent is gone, because you have taken the reciprocal.

OpenStudy (anonymous):

ooooooooo....good call!! smarty pants!!!

OpenStudy (anonymous):

so now cube each piece to get \[x^3y^6\] k?

OpenStudy (anonymous):

i thought u said x^3y^9

OpenStudy (anonymous):

im adding right?

OpenStudy (anonymous):

oops i was right before

OpenStudy (anonymous):

so multiplying

OpenStudy (anonymous):

\[x^3y^9\] since you are raising to a power multiply. sorry

OpenStudy (anonymous):

thanks for your help!

OpenStudy (anonymous):

welcome

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