Answer :
Sphere Surface Area = 4 • π • r²
Sphere Surface Area = 4 * 4^2 * PI
Sphere Surface Area = 64 * PI square feet
That answer in your list should say 64.00 * PI ft^2
Sphere Surface Area = 4 * 4^2 * PI
Sphere Surface Area = 64 * PI square feet
That answer in your list should say 64.00 * PI ft^2