How much greater is the surface area of a basketball with a radius of 4.7244 inches than the surface area of a tennis ball with a radius of 1.2598 inches? Round to the nearest hundredth

Question

anonymous · Answer

Use the SA formula for a sphere
Subtract the tennis ball area from the basketball area

anonymous · Answer

You should be able to find the Surface Area formula on google

anonymous · Answer

i did . i got 63.13 but its coming up wrong

anonymous · Answer

$$SA=4 \pi r^{2}$$$$SA_b=280.48$$$$SA_t=19.94$$$$Difference=260.54$$