Hello!
A beach ball is shaped as a sphere. You're trying to find the volume of a sphere.
[tex]Formula: \frac{4}{3} \pi r^3[/tex]
r = 6.3
6.3³ = 6.3 × 6.3 × 6.3 = 250.047
[tex] \frac{4}{3} \times 250.047 = \frac{1000.188}{3} = 333.396
[/tex]
333.396 × 3.14 = 1,046.9(rounded)
Answer ⇒ 1,046.9 inches
