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OpenStudy (imnotgoodatmath):
Simplify (12)^-3 . (12)^-5
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OpenStudy (anonymous):
use this
x^3*x^n=x^(m+n)
OpenStudy (solomonzelman):
\(\normalsize\color{blue}{ 12^{-3} \times 12^{-5} }\) like this ?
OpenStudy (anonymous):
oh..its m..not 3..!!!
OpenStudy (imnotgoodatmath):
the answers are 11 . -2
1/11.11
1/11 . 2 . 2
-11 . 2. 2
OpenStudy (imnotgoodatmath):
yes @SolomonZelman
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OpenStudy (solomonzelman):
\(\normalsize\color{black}{ 12^{-3} \times 12^{-5} =12^{\LARGE-3+(-5)} =12^{-3-5}=12^{-8}=\frac{1}{12^{\LARGE8} }=\frac{1}{429981696} }\)
OpenStudy (solomonzelman):
You can call this number zero (unofficially) if you know what I mean:)
OpenStudy (imnotgoodatmath):
dang lol
OpenStudy (solomonzelman):
;)
OpenStudy (imnotgoodatmath):
so what you think it is lol?
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OpenStudy (solomonzelman):
your choices are unclear.
OpenStudy (imnotgoodatmath):
dang you school
OpenStudy (imnotgoodatmath):
Simplify twelve to the negative third times twelve to the negative fifth.
12 - 2
12 - 8
OpenStudy (imnotgoodatmath):
12^8
12^15
OpenStudy (solomonzelman):
you mean 1/12^8 and 1/12^15 ?
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OpenStudy (imnotgoodatmath):
i dont get it the ones i put were the answer choices
OpenStudy (imnotgoodatmath):
OpenStudy (solomonzelman):
it is 12^-8
OpenStudy (imnotgoodatmath):
ok thx just asking but what about the top one
OpenStudy (imnotgoodatmath):
@SolomonZelman
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