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Simplify and express the result in power notation with positive exponent.
(-4)5 ÷ (-4)8
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Solution
(−4)5 ÷ (−4)8 = (−4)5 − 8 (am ÷ an = am − n)
= (− 4)−3
= `1/(-4)^3` `" "(a^(-m) = 1/a^m)`
Concept: Powers with Negative Exponents
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