I really sorry I have to do this I'm in a test I need help
When the radius is doubled, the volume of a cylinder quadruple
Answer:
4.27n+21.4
Step-by-step explanation:
.3478 is the answer, round however you like
We have sequence equation
.
In this case n is a natural number (1, 2, 3, ...).
So start inserting and computing value of
given that you know the value of n and a.
(first term)

Hope this helps.