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Find the sum to 9 terms of the geometric SERIES 3 + 18 + 108 ​

Find the sum to 9 terms of the geometric SERIES 3 + 18 + 108 ​
asked 39.6k views
4 votes
Find the sum to 9 terms of the geometric SERIES 3 + 18 + 108 ​

asked
User Geekygecko
by
8.4k points

2 Answers

1 vote

Answer:

I think the answer is 129. I'm not sure and if I'm wrong I apologize.

Explanation:

3+18=21

21+108=129

answered
User Aaronburrows
by
8.4k points
3 votes

Answer:

129

Explanation:

answered
User Vasanth Gopal
by
8.0k points
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