SOLUTION: what is the 12th term. 4,12,36,108... use this formula {{{An=A1+(n-1)d}}}

Algebra ->  Sequences-and-series -> SOLUTION: what is the 12th term. 4,12,36,108... use this formula {{{An=A1+(n-1)d}}}      Log On


   

Question 173868: what is the 12th term. 4,12,36,108...
use this formula An=A1%2B%28n-1%29d
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
I am going to use the formulaA%5Bn%5D=4%283%5E%28n-1%29%29 because the formula you gave makes no sense.
so for the 12th term
:
A%5B12%5D=4%283%5E%2812-1%29%29
:
A%5B12%5D=4%283%5E11%29
:
A%5B12%5D=4%28177147%29
:
A%5B12%5D=highlight%28708588%29