1. 4/3 x π x 4^3 =  268.08 in^3
2. 4/3 x π x 10^3 =  4188.80 in^3
3. 4/3 x π x 12^3 = 7238.22 cm^3
4. 4/3 x π x 8^3 = 2144.66 cm^3
5. 4/3 x π x 8^3 = 2144.66 cm^3
6. 4/3 x π x 3^3 = 113 in^3
7. 4/3 x π x 5^3 = 523.60 cm^3
8. 4/3 x π x 2^3 = 33 cm^3

Step-by-step explanation:

 268.08 in^3

 4188.80 in^3

7238.22 cm^3

2144.66 cm^3

2144.66 cm^3

113 in^3

523.60 cm^3

33 cm^3