SOLUTION: Find the nth term, the fifth term, and the eighth term of the geometric sequence. 8,4,2,1.... an= a5= a8=

Algebra ->  Sequences-and-series -> SOLUTION: Find the nth term, the fifth term, and the eighth term of the geometric sequence. 8,4,2,1.... an= a5= a8=      Log On


   

Question 630804: Find the nth term, the fifth term, and the eighth term of the geometric sequence.
8,4,2,1....
an=
a5=
a8=
Answer by dfrazzetto(283) About Me  (Show Source):
You can put this solution on YOUR website!

a(n) = 2^(4-n)
a(5) = 1/2
a(8) = 1/16