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Originally Posted by shuaib
well i have found this answer...
(-2b^-4)^-2 / b^2 = (-2b)^8 / b^2 = 256b^8 / b^2 = 256b^6
(times the powers^ together -4 x -2 = +8 so (-2b)^8, -2 to the power of 8 = 256
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well you should've wrote the problem in the correct format from the beginning, saves both us the time(although not much time was wasted)