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Mathematics 14 Online
OpenStudy (anonymous):

Simplify the quantity of a times b times c to the fourth power divided by the quantity 6 times a to the negative second power times b to the third power all to the negative second power. HELP Answers: six times b to the fifth power divided by a to the sixth power times c to the eighth power thirty six times b to the fourth power divided by a squared times c to the eighth power six times b to the fourth power divided by a to the sixth power times c to the eighth power thirty six times b to the fourth power divided by a to the six power times c to the eighth power

OpenStudy (mathlegend):

Could you write out the actual numbers for the question? @chocodropa7

OpenStudy (anonymous):

Ill try

OpenStudy (anonymous):

(abc^4 over 6a^-2b^-3) to the -2 power

OpenStudy (anonymous):

^ represent power

OpenStudy (mathlegend):

\[(abc ^{4}/6*a ^{-2}b ^{3})^{-2}\]

OpenStudy (mathlegend):

Is it basically like what I posted?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

the three is negative though

OpenStudy (anonymous):

o wait no it's not your right

OpenStudy (mathlegend):

Okay

OpenStudy (mathlegend):

So first we have to multiply a, b, & c by the -2

OpenStudy (mathlegend):

\[a ^{-2}b ^{-2}c ^{-8}/36a ^{4}b ^{-6}\]

OpenStudy (mathlegend):

Do you understand that so far?

OpenStudy (anonymous):

yes

OpenStudy (mathlegend):

Now, we must remember that NEGATIVE exponents are forced to the denominator... and turn positive. Any/Everything else stays in the numerator.

OpenStudy (mathlegend):

But before we do that we must simplify the 'a' and the 'b'

OpenStudy (mathlegend):

\[a ^{-2}-a ^{4} = a ^{-6}\] \[b ^{-2}-b ^{-6}=b ^{4}\]

OpenStudy (mathlegend):

The 'c' remains since it can not be simplified anymore than that.

OpenStudy (mathlegend):

So our a and c are both negative which means they must be shifted to the denominator.

OpenStudy (mathlegend):

\[\frac{ 36b ^{4} }{ a ^{6}c ^{8} }\]

OpenStudy (mathlegend):

Understand?

OpenStudy (mathlegend):

So your last choice... is your answer. :) @chocodropa7

OpenStudy (anonymous):

Yes, so the answer would be d thank you!

OpenStudy (mathlegend):

You are welcome. :)

OpenStudy (anonymous):

Could you also help me with how to write cube root of fifteen in exponential form

OpenStudy (mathlegend):

Honestly, I do not know how to do that.

OpenStudy (anonymous):

\[\sqrt[3]{15}\]

OpenStudy (mathlegend):

That equals.... 2.466212074

OpenStudy (anonymous):

oh ok Thank You anyways

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