Question 261426
[ (-8)^4]^6 x[ (-8) ^-5]^7 divided by [ (-8)^4]^-3
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= [(-8)^24]*[(-8)^-35]/[(-8)^-12]
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= [(-8)^-11]/[(-8)^-12]
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= [(-8)]^1
= -8
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Cheers,
Stan H.