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19 October, 12:04

Work out the value of 2^-3

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  1. 19 October, 14:58
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    Since you're working with powers anything times said power is the number times itself that many times.

    Okay, I'm not one hundred percent I explained that right, so here I go

    Since this is 2^-3 basically you multiply 2 by itself 3 times, okay?

    So 2*2 = 4*2 = 8. (: I believe with negatives since you can't put those in the calculator without getting a decimal you have to put it in manually, so you have to put the negative in front to give you - 8. (:

    Good luck, rockstar! I hope you pass!
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