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Mathematics 23 Online
OpenStudy (anonymous):

Another problem see attached file

OpenStudy (anonymous):

OpenStudy (anonymous):

Have you tried it??

OpenStudy (anonymous):

Simplify?

OpenStudy (anonymous):

have you tried it? hint: the -1 indicates you reciprocate

OpenStudy (anonymous):

\[\large \frac{1}{x^{-m}} = x^m\]

OpenStudy (anonymous):

alright first you need to know that \[x^{-1}=\frac{1}{x^1}\] \[\frac{1}{x^{-1}}=x^1\] the property is that if you have a negative exponent it can be written by flipping it and changing making positive exponent

OpenStudy (anonymous):

\[(3a ^{2}x/2)(4a ^{2}/x ^{3})\] do you see how I arrived at that expression?

OpenStudy (anonymous):

my answer

OpenStudy (anonymous):

@waterineyes I attach my answer

OpenStudy (anonymous):

No. you cannot cancel a^2.. See here I am giving you the formula: \[\large \frac{a^m}{a^n} = a^{m-n}\] Use this concept..

OpenStudy (anonymous):

so i need to try and solve again

OpenStudy (anonymous):

yes..

OpenStudy (anonymous):

I let you know @waterineyes @Outkast3r09 in a minuete

OpenStudy (anonymous):

How can you solve this: \[\large \frac{a^2}{a^{-2}} = ??\] Use that formula here..

OpenStudy (anonymous):

Thanks guys

OpenStudy (anonymous):

the 4 shouldn't change

OpenStudy (anonymous):

\[4a^{-2}\neq (4a)^{-2}\]

OpenStudy (anonymous):

@gitahimart

OpenStudy (anonymous):

Is @gitahimart right?

OpenStudy (anonymous):

|dw:1342721901948:dw|

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