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7 September, 17:33

Which power does this expression simplify to?

[ (7^5) (7^3) ]^-4

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Answers (1)
  1. 7 September, 17:43
    0
    7^-32

    Step-by-step explanation:

    [ (7^5) (7^3) ]^-4

    We know that a^b * a^c = a^ (b+c)

    [ (7^5+3) ]^-4

    [ (7^8) ]^-4

    We know that a^b^c = a^ (b*c)

    7^ (8*-4)

    7^-32
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