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Mathematics 7 Online
OpenStudy (anonymous):

MEDAL+FAN

OpenStudy (anonymous):

What is the missing exponent?

OpenStudy (anonymous):

@Nnesha

Nnesha (nnesha):

\[\huge\rm (12^{-5})^2= 12^{??}\] you should know this one

OpenStudy (anonymous):

the answer is -10 please fan and medal

OpenStudy (anonymous):

can you explain how you got it please?

OpenStudy (anonymous):

multiply the exponents -5*2 = -10

OpenStudy (anonymous):

what about -4?

OpenStudy (anonymous):

what do you mean

OpenStudy (anonymous):

look at the attachment

OpenStudy (anonymous):

sorry -6 u multiply the exponents on top then u subtract from the top down

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

fan and medal please

OpenStudy (anonymous):

ond sec

OpenStudy (anonymous):

done?

OpenStudy (anonymous):

not yet.

Nnesha (nnesha):

\(\color{blue}{\text{Originally Posted by}}\) @Nnesha \[\huge\rm (12^{-5})^2= 12^{??}\] you should know this one \(\color{blue}{\text{End of Quote}}\) \[\huge\rm (x^m)^n =x^{m \times n}\] multiply the exponents

Nnesha (nnesha):

and then apply this exponent rule \[\huge\rm \frac{ x^m }{ x^n }=x^{m-n}\] when we divide same same bases we should `subtract` their exponents

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