SOLUTION: The nth term of a sequence is denoted by 3n(2^n-1).find the sum of the first 5 terms

Algebra ->  Sequences-and-series -> SOLUTION: The nth term of a sequence is denoted by 3n(2^n-1).find the sum of the first 5 terms      Log On


   

Question 933617: The nth term of a sequence is denoted by 3n(2^n-1).find the sum of the first 5 terms
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
3n(2^n-1)

n   3n   2^n  2^n-1  3n(2^n-1) 
------------------------------
1    3    2     1      3
2    6    4     3     18
3    9    8     7     63
4   12   16    15    180
5   15   32    31    465
------------------------
             total = 729

Edwin