Question

3. The radius of a basketball is approximately 12.1cm. What is the volume of the basketball

A 7359 cm3
B 1840 cm
C. 7421 cm
D. 22 262 cm​

Answer 1

I am thinking C might not be c

Answer 2

The volume of a perfect ball is $V=\frac{4\pi r^3}{3}$.

In your case

$V=\frac{4\pi 12.1^3}{3}=7420.7\approx7421\mathrm{cm^3}$

Hope this helps.