kak tolong jawab yah pake caranya juga dari no23-26

[tex]23. \: v \: = \frac{4}{3} \times \pi \times {r}^{3} \: = \frac{4}{3} \times \frac{22}{7} \times (4.2) ^{3} = 310.5 \\ 25. \: v = \frac{4}{3} \times \pi \times r^{3} = \frac{4}{3} \times \pi \times 10^{3} = \frac{4000}{3} \pi[/tex]