Answer:
...we calculate the volume of the ball sphere:
(4ft²)/3 = (4*ft*7^3)/3 = (1372ft)/3(cm^3)about 1436.026667cm^3=1436cm^3
(ft=3.14)
calculate the weight:
1cm^3 weighs 7.8gm
1436cm^3 weigh 1436*7.8≈11200.8gm≈11,200kg
Explanation:
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