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7 April, 19:27

27^-2/3

A. 9

B. 1/9

C. - 1/9

D. - 9

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Answers (1)
  1. 7 April, 21:58
    0
    27^-2/3

    = (3^3) ^-2/3

    = 3^-2

    = 1/3^2

    = 1/9

    answer

    B. 1/9
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