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Question
Simplify and express the result in power notation with positive exponent.
(−4)5 ÷ (−4)8
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Solution
We have, (−4)5 ÷ (−4)8
= (−4)5-8
= (−4)−3
= `1/(-4)^3` ....`[∵ a^m ÷ a^n = a^(m-n), a^-m = 1/a^m]`
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