help with this expression question!?

i know the answer is not D and i know the formula but this one confuses me.

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3 Answers

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  • ?
    Lv 7
    10 months ago
    Favourite answer

    See below for explanation.

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  • 10 months ago

    ⁿ√a = a^1/n

    (⁴√x)(⁵√y²) =

    (x^1/4)(y^2/5) The second choice is correct.

  • cosmo
    Lv 7
    10 months ago

    The second one.

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