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Mathematics 15 Online
OpenStudy (anonymous):

What is the missing exponent? Here is the screenshot of the problem http://prntscr.com/4qb59j

OpenStudy (anonymous):

\[\frac{ a^m }{ a^n } = a^{m-n}\] \[(a^m)^n = a^{m \times n}\]

OpenStudy (anonymous):

These will help you find the missing exponent.

OpenStudy (anonymous):

@Ankh do u know what it is though? that doesnt help that much for me because i dont know how to solve with what you gave me

OpenStudy (anonymous):

It's the same exact pattern, I just wrote it with parameters. Would you like me to show you it with the numbers?

OpenStudy (anonymous):

yes please @Ankh

OpenStudy (anonymous):

\[(12^{-5})^2 = 12^{-5 \times 2}\]

OpenStudy (anonymous):

-7? @Ankh is that it or is there more to it

OpenStudy (anonymous):

-5 times 2 would be -10

OpenStudy (anonymous):

or did you mean the final answer?

OpenStudy (anonymous):

um i think i accidentally subtracted because of ur chart that you showed me

OpenStudy (anonymous):

Oh now comes the subtraction yes

OpenStudy (anonymous):

\[\frac{ 12^{-10} }{ 12^{-4} }=12^{-10-(-4)}\]

OpenStudy (anonymous):

oh i get it

OpenStudy (anonymous):

-6

OpenStudy (anonymous):

Correct :)

OpenStudy (anonymous):

thank u! @Ankh

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