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Mathematics 20 Online
OpenStudy (anonymous):

x^-2 divided by 3xy^-2

OpenStudy (roadjester):

nvm

OpenStudy (roadjester):

found it

OpenStudy (roadjester):

\[x^{-2}\over {3xy^{-2}}\] Is that it?

OpenStudy (roadjester):

and is it also multiple choice?

OpenStudy (anonymous):

yes

OpenStudy (roadjester):

don't put up the answers yet

OpenStudy (anonymous):

but the bottom is 13xy^-2

OpenStudy (roadjester):

kk

OpenStudy (roadjester):

Ok, when you have variables with exponents or even just numbers, do you know how to move them from the numerator to the denominator?

OpenStudy (roadjester):

and vice-versa

OpenStudy (anonymous):

no

OpenStudy (roadjester):

That's fine. So, when you have a variable, say x, in the form:\[x^a\] that's the same as \[1 \over {x^{-a}}\]

OpenStudy (roadjester):

Do you follow?

OpenStudy (anonymous):

3/y with a exponent of 2

OpenStudy (anonymous):

choices are A.\[y^2\div13x^3\]. B.\[13y^2\div x\]. C.\[xy^2\div 13\]. D.\[169y^2\]

OpenStudy (anonymous):

thats pretty good props

OpenStudy (anonymous):

id say b

OpenStudy (anonymous):

when you have prblems like that go to mathway.com

OpenStudy (roadjester):

I'd say choice A, if you're still on

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