Mathematics OpenStudy (anonymous):

howdo you evaluate the expression if the number inthe square root has an exponent? OpenStudy (anonymous):

divide that exponent by 2 and you are all set OpenStudy (anonymous):

$\sqrt{x^{16}}= x^8$ OpenStudy (anonymous):

thanks (: OpenStudy (anonymous):

what if it has an exponent 3 befor the equation? haha sorry i dont know the right words OpenStudy (anonymous):

$\sqrt{x^3}$ like this? OpenStudy (anonymous):

no.its right beforethe squareroot OpenStudy (anonymous):

$3\sqrt{x}$? OpenStudy (anonymous):

yes (: OpenStudy (anonymous):

Then it is as simplified as it can be. OpenStudy (anonymous):

so i just leave it like that? OpenStudy (anonymous): OpenStudy (anonymous):

thankyou somuch! (: OpenStudy (anonymous):

You're welcome OpenStudy (anonymous):

okay.onemorequestion. the equation says ^3squareroot(n^75). so does the 3 meani just leave it alone or divide by 2? OpenStudy (anonymous):

$3\sqrt{n^{75}}$? OpenStudy (anonymous):

yeah OpenStudy (anonymous):

Try using the "Equation" button under the box where you are typing. However, if I understood correctly, you have: $\sqrt{n^{75}}$ OpenStudy (anonymous):

$3n^{75/2}$ OpenStudy (anonymous):

ooh gosh, i feel dumb now. haha im new to this placde... but yeah..and thanks OpenStudy (anonymous):

If it is a cube root $\sqrt{n^{75}}$ you would divide the exponent by 3 n^(75/3) OpenStudy (anonymous):

For future reference a square root is the same as raising to the (1/2) power A cubed root is raising to the (1/3) power, etc. OpenStudy (anonymous):

thankyou guys so much! (: OpenStudy (anonymous):

For instance: $9^{0.5}=\sqrt9=3$

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