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Mathematics 8 Online
OpenStudy (anonymous):

** PLEASE HELP WILL MEDAL ** Evaluating Expressions with Exponents: Please simplify I will attach below!!

OpenStudy (anonymous):

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

you have a couple of choices one is to first multiply each exponent inside the parentheses by \(-4\) maybe that is the easiest

OpenStudy (misty1212):

you should get \[\huge \frac{r^{20}s^{12}}{r^{-32}s^8}\]

OpenStudy (misty1212):

does that look right? ( you are not done yet)

OpenStudy (anonymous):

Yes that's what I got!! Thank you! @misty1212

OpenStudy (misty1212):

got logged out, sorry still not done though right?

OpenStudy (misty1212):

the \(r^{-32}\) comes up to the numerator as \(r^{32}\)

OpenStudy (misty1212):

and \[\frac{s^{12}}{s^8}=s^{12-8}=s^4\]

OpenStudy (misty1212):

so you end up with \[r^{20}r^{32}s^4\] then add the exponents for the \(r\) terms

OpenStudy (anonymous):

Perfect! I just needed to simplify the first part but I got it! @misty1212

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