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The volume of a sphere is given by the formula:
V = (4/3)Ï€r^3
Given that the radius, r, is 1.1 ft, we can substitute this value into the formula:
V = (4/3)Ï€(1.1)^3
Using 3.14 as an approximation for π:
V = (4/3)(3.14)(1.1)^3
V ≈ 5.57 ft^3
Therefore, the volume of the sphere is approximately 5.57 ft^3, which corresponds to answer A.