A drop of oil volume 10^-10m^3 spreads out on water to make a circular firm of radius 10^-1.what is the thickness of the firm.

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  1. Volume = pi^r^2*h

    You know the volume and the radius from the problem Substitute and solve for h. (the thickness)

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  2. yes

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  3. Give the explanation
    Of the first one

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