Need help please stressing out over this problem!?!?!

[tex]v = \frac{4}{3} \times \pi \times {r}^{3} [/tex]
Finding the radius,
[tex]d = 2r, \: r = \frac{d}{2} = \frac{8}{2} = 4inches[/tex]
Plugging in our values,
[tex]v = \frac{4}{3} \times 3.14 \times {4}^{3} = \frac{4}{3} \times 3.14 \times 64 = 267.95 {inches}^{3} \\ [/tex]
Rounding to the nearest whol number,
[tex]v = 268 {inches}^{3} [/tex]