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OpenStudy (anonymous):
I need help with this question, no, i don't need the answer, only help. So, how can I find the value of 8 to the power of -2?
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OpenStudy (mathstudent55):
\(a^{-n} = \dfrac{1}{a^n} \)
OpenStudy (mathstudent55):
A negative exponent in the numerator means a positive exponent in the denominator.
OpenStudy (anonymous):
Oh, so, like the other guy said, I basically flip it?
OpenStudy (mathstudent55):
Yes.
OpenStudy (anonymous):
Ok, thanks!
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OpenStudy (mathstudent55):
When you flip it, the exponent becomes positive.
OpenStudy (mathstudent55):
You're welcome.
OpenStudy (anonymous):
That is the rules of indices
OpenStudy (anonymous):
Just understand and memorize them and you can solve any index related problem
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