SOLUTION: What is the geometric sum of the 14th term in the geometric series of 18,6,2,2/3,2/9...?
Algebra
->
Trigonometry-basics
-> SOLUTION: What is the geometric sum of the 14th term in the geometric series of 18,6,2,2/3,2/9...?
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 853621
:
What is the geometric sum of the 14th term in the geometric series of 18,6,2,2/3,2/9...?
Answer by
richwmiller(17219)
(
Show Source
):
You can
put this solution on YOUR website!
S=t*(1 - r^n)/(1 - r)
S=18*(1 - (1/3)^14)/(1 - 1/3)
S=26 177146/177147 almost 27
S=26.999994354970730523237762987801