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Mathematics 9 Online
OpenStudy (anonymous):

Pleaseeeeeeee help i'm drowning in confusionnnnnnn

OpenStudy (bella2112):

whats your question?

OpenStudy (anonymous):

\[(\frac{ 2 }{ 3 }^{-n}) (\frac{ 3 }{ 2 }^{-n}) = \frac{ 1 }{ 36 }\]

Nnesha (nnesha):

2^-n or (2/3)^-n ?

Nnesha (nnesha):

2 to the -n power or 2/3 to the -n which one is it ?

OpenStudy (anonymous):

it's inside the parantheses

OpenStudy (anonymous):

2 to the -n

Nnesha (nnesha):

oh alright so \[\huge\rm (\frac{ 2 }{ 3 }^{-n}) (\frac{ 3 }{ 2 }^{-n}) = \frac{ 1 }{ 36 }\] there are negative exponent so apply exponent rule \[\huge\rm x^{-m} = \frac{ 1 }{ x^m }\] flip the fraction

OpenStudy (anonymous):

i cant do |dw:1433890169161:dw|

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