Answer:
3419.46
Step-by-step explanation:
(pir^2h)/3
(3.14(121)(27)/3
3419.46
First multiply everything inside the brackets by seven
7x^4-42+3
Then solve what you can
7x^4-39
You an't solve it further. Is this what you mean? X to the fourth power?
Answer:
5 i think
Step-by-step explanation: