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# Evaluating rational exponents: negative unit-fraction

Sal shows how to evaluate 9^(-1/2) and 27^(-1/3). Created by Sal Khan.

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# Evaluating rational exponents: negative unit-fraction

Current time: 0:00Total duration: 3:02

0 energy points

Sal shows how to evaluate 9^(-1/2) and 27^(-1/3). Created by Sal Khan.