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11 July, 00:36

What is the value of y in the product of powers below?

8^3 8^-5 8^y = 8^-2=1/8^2

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Answers (1)
  1. 11 July, 01:29
    0
    y=0

    Step-by-step explanation:

    8^3 8^-5 8^y = 8^-2

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

    8^ (3-5+y) = 8^-2

    The bases are the same so the exponents must be the same

    -2+y = - 2

    y = 0
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