Answer:
24/49
Step-by-step explanation:
Let's add the terms and see if there's a pattern

Suppose we say the sum of n terms is (n/(2n+1)), the next term in the series will be 1/((2n+1)(2n+3)) and adding that to the presumed sum gives ...

Then it appears the sum of n terms is (n/(2n+1)). So, the sum of 24 terms is ...

Answer:
Volume of Pipe is 226 ft³.
Step-by-step explanation:
Given:
Cylindrical Shape Pipe having
Height = 18 ft
Diameter = 4 ft
∴ 
To Find:
Volume of Pipe = ?
Solution:
Formula for Volume of Cylinder is given by

Substituting the given values we get

Volume of Pipe is 226 ft³.
3 is real 4th roots of 81
The answer to your question is 22.