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Mathematics 9 Online
OpenStudy (anonymous):

how would you simplify 3^-9 over 3^-12

OpenStudy (anonymous):

a^b over a^c = a^(b-c)

OpenStudy (anonymous):

so where did you get confused here?

OpenStudy (anonymous):

i dont know how to simplify it

OpenStudy (anonymous):

|dw:1340857068357:dw| do you know it now?

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