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Mathematics 8 Online
OpenStudy (anonymous):

HALP! I WILL AWARD MEDAL AND BECOME FAN

OpenStudy (anonymous):

\[|12a^2b^6|^2\]

OpenStudy (anonymous):

I know. I'm desperate. Usually, I'm a grammar Nazi.

OpenStudy (anonymous):

Can you guys see the problem?

OpenStudy (mathstudent55):

\(\large (a^m)^n = a^{mn} \)

OpenStudy (anonymous):

So, do I multiply the exponents?

OpenStudy (mathstudent55):

Since the exponents of a and b are both even, you can replace the absolute value signs with parentheses. Then use the rule of exponents above. Remember that \(12 = 12^1\) and must also be raised to 2.

OpenStudy (anonymous):

So, would it be \[12a^4b^12\]

OpenStudy (mathstudent55):

Yes, correct. Multiply the exponents. You won't need parentheses in the final answer. Here is another rule you need: \(\large (ab)^m = a^mb^m\)

OpenStudy (anonymous):

Typo... but I hope you get it.

OpenStudy (mathstudent55):

I understand what you mean, but did you read what I wrote about the 12 above?

OpenStudy (mathstudent55):

Look at the second rule first. When you raise a quantity to an exponent, you need to raise every factor to that exponent.

OpenStudy (mathstudent55):

|dw:1415592847986:dw|

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