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To find the volume of the water in the pool, we need to calculate the volume of a cylinder. The formula for the volume of a cylinder is V = πr^2h, where V is the volume, r is the radius, and h is the height.
Given that the diameter of the pool is 20 feet, the radius is half of the diameter, or 10 feet.
The height of the water is 3 feet.
Plugging these values into the formula, we get V = π(10^2)(3) = π(100)(3) = 300π.
To find the volume to the nearest cubic foot, we need to approximate the value of π. Typically, π is approximated to 3.14.
Therefore, V ≈ 300(3.14) = 942 cubic feet.
The volume of the water in the pool is approximately 942 cubic feet.
Therefore, the answer is D) 942 cubic feet.