Question 119215
find the ninth term of the sequence 2,6,18,54....using the formula a(n)=a(1) x r^(n-1)
-----------------
The sequence is a geometric sequence with a(1) = 2, and r = 6/2=3
----------
Formula: a(n) = (a(1))*r^(n-1)
a(9) = 2*3^(8)
a(9) = 13,122
---------------
Cheers,
Stan H.