SOLUTION: A) Which term of the geometric series is: 2187, 729, 243, . . . is 1/9? B) calculate the sum of the first 5 terms?

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Question 1006888: A) Which term of the geometric series is: 2187, 729, 243, . . . is 1/9?
B) calculate the sum of the first 5 terms?

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Each term is 1/3 the previous term.

So then,






It's the tenth term.
.
.
.




So then the partials sums are,


When ,






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