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5 November, 22:55

When a spherical balloon is filled with air, it has a radius of 3 inches. Which of these gives the best estimate for the volume of air in the balloon in cubic inches?

A. 63.6

B. 108.0

C. 113.1

D. 150.8

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Answers (1)
  1. 5 November, 23:22
    0
    By definition, the volume of a sphere is given by:

    V = (4/3) * (pi) * (r ^ 3)

    where,

    r: radius of the sphere.

    Substituting we have:

    V = (4/3) * (pi) * ((3) ^ 3) = 113.08 in ^ 3

    answer

    the best estimate for the volume of air in the balloon in cubic inches is

    C. 113.1
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