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$a^{b-c}

\dfrac{1}{a^{c-b}}

= E n [[P o t e n s * W o r d l i s t * ∣ p o t e n s]] m e d e n d i f f e r e n s i e x p o n e n t e n k a n s k r i v a s o m s o m e t t b r \overset{a}{˚} k m e d

1$ i täljaren och potensen i nämnaren, fast där termerna i exponenten har bytt plats.

2^{4 - 7} = \frac{1}{2 ^{- (4 - 7)}} = \frac{1}{2 ^{7 - 4}}

Detta är en konsekvens av potenslagen för potenser med negativa exponenter.

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