Question

Please help me with all 6 questions ASAP DUE SOON AND SHOW WORK !!!!

Answer 1

654 mutiply 78 plus is 28

Answer 2

7. V = pi(r)^2(h)

V = pi(7)^2(20)

V = 3078.76

8. Same formula as 7.

V = 502.65

10. Same formula again

V = 62.83

11. V = 4/3*pi(r)^3

V = 4/3*pi(6)^3

V = 904.78