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To find the volume of a sphere, you use the formula V = (4/3) * pi * r^3, where r is the radius of the sphere. Since the diameter is given, we first need to find the radius by dividing the diameter by 2: 13 / 2 = 6.5 inches.
Now we can plug the radius into the formula to find the volume:
V = (4/3) * pi * (6.5)^3
V ≈ (4/3) * 3.14159 * 274.625
V ≈ 1153.74 in^3
The closest answer choice to the volume of the sphere is B. 1150 in^3.