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Mathematics 14 Online
OpenStudy (anonymous):

(8a^-3 b^9) ^2/3

OpenStudy (anonymous):

\[(8a ^{-3}b ^{9})^{2/3}\]

OpenStudy (rulnick):

4 a^-2 b^6

OpenStudy (rulnick):

... or 4 b^6 / a^2, your choice :)

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