Answer:431
Explanation:
4 × pi × r cubed ÷ 3
4 × 3.14 = 12.6 × r cubed ÷ 3
12.6 × 3.25 cubed = 431.2 ÷ 3
431.2 ÷ 3 = 143
143 × 3 = 431
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