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# Evaluating rational exponents: negative unit-fraction

How to evaluate powers that are negative unit fractions, like 9 raised to -½ and 27 raised to -⅓. Created by Sal Khan.

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# Evaluating rational exponents: negative unit-fraction

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

0 energy points

How to evaluate powers that are negative unit fractions, like 9 raised to -½ and 27 raised to -⅓. Created by Sal Khan.