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Mathematics 21 Online
OpenStudy (anonymous):

1/3^2 evaluate?

OpenStudy (jdoe0001):

hmmm what do you think?

OpenStudy (anonymous):

1/9

OpenStudy (jdoe0001):

yeap

OpenStudy (anonymous):

buty i got to rewrite using a negative exponent?!?!~?!?!?!?!?

OpenStudy (jdoe0001):

oh... well \(\bf a^{-n} = \cfrac{1}{a^n}\quad thus\quad \cfrac{1}{3^2}\implies 3^{-2}\)

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