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math-fractions

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I have to rewrite the fraction without an exponent, but I'm not for sure how to do the negative exponent. pls help!

(3/2)^-2

  • math-fractions -

    x^-n = 1/x^n
    so
    (3/2)^-2
    = 1/(3/2)^2

    1 / (3^2/2^2)
    = 2^2/3^2
    4/9

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