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geometry

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The volume of a sphere is 2,098pim^3 what is the surface area to the nearest tenth

  • geometry -

    v = 4/3 pi r^3
    a = 4pi*r^2

    a = 4pi(3v/4)^(2/3) = 4pi(3*2098/4)^(2/3) = 1700.0

  • geometry - PS -

    oops - lost a pi in the division

    a = 4pi(3v/4pi)^(2/3) = 4pi(3*2098/4pi)^(2/3) = 792.5

  • geometry -

    The 1700 matches my answer so is that the one I use

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