v=pi.r^2.h
v=3.14×7×7×3.5
v=538.51 cubic meter
1cubic meter=1000 litre
so v=538510 litre
Answer:
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Step-by-step explanation:
63/8 , 7 7/8 or 7.875
First convert the mixed number to an improper fraction: 5 1/4 = 21/4
And then multiply the fractions 21/4 x 3/2 = 63/8
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