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  3. Tiffany inflates a beach ball. If the diameter of the ball is 0.6 m, what is its volume?

Tiffany inflates a beach ball. If the diameter of the ball is 0.6 m, what is its volume?

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问题 Tiffany inflates a beach ball. If the diameter of the ball is 0.6 m, what is its volume?
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答案0.036π m3
解析 A beach ball is a sphere, and the equation for the volume of a sphere is(4/3)πr3. The diameter is given as 0.6 m, so the radius is half of that, 0.3 m. Substitute that value into the equation and solve:
Volume =(4/3)π(0.33)
Volume =(4/3)π(0.027)
Volume = 0.036π m3 or approximately 0.113 m3
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