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Question
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0. (−4)−2
Sum
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Solution
We know that
\[a^{- n} = \frac{1}{a^n}\]
`(-4)^(-2)=1/(-4)^2=1/16`
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| x | 1x | 2x | 3x | 4x | 5x | 6x | 7x | 8x | 9x | 10x |
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1 | 2, 4, 8, 6 | ||||||||
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