Question

the diameter of a sphere is 3.14cm calculate the volume of sphere to the correct number of significant figures ​

Answer 1

Diameter = 3.14 cm

Radius = 3.14 ÷ 2 = 1.57 cm

As u know that Volume of sphere = 4/3πr3

===) ( 4 / 3 ) x 3.14 x 1.57 x 1.57 x 1.57

==) ( 4 / 3 ) x 12. 15

==) 16.2 cm3

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