The volume of a sphere is given by the formula V=(4/3) π r³
The approximate volume of Venus is therefore
V = (4/3) π 3760.4³ mi³
V = 70,899,123,900π mi³
Substituting π=3.14,
V = 70,899,123,900 (3.14) mi³
V = 222,623,249,046 mi³
In scientific notation,
V = 2.2 x 10¹¹ mi³