SOLUTION: Find the indicated term of the sequence. a7 of 9, 45, 225, 1125 . . .
Algebra
->
Sequences-and-series
-> SOLUTION: Find the indicated term of the sequence. a7 of 9, 45, 225, 1125 . . .
Log On
Algebra: Sequences of numbers, series and how to sum them
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Sequences-and-series
Question 1007852
:
Find the indicated term of the sequence.
a7 of 9, 45, 225, 1125 . . .
Answer by
fractalier(6550)
(
Show Source
):
You can
put this solution on YOUR website!
This is a geometric sequence with a1 = 9 and common ratio r = 5...
a7 = a1 * r^(7-1) = 9*5^6 = 140625