18-04-2017
Mathematics

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what is the sum of a geometric sequence 1,3,9,... if there are 14 terms

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18-04-2017

1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 59049, 177147, 531441, 1594323.
If this is the proper sequence pattern, we add up all the numbers to get a sum.
The total sum is 2391457.

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