Posted by **Embraced** on Saturday, January 21, 2012 at 6:37pm.

What is the sum of a geometric series with first term a1= 2, a common ratio r of 2 and the number of terms, n, equal to 4.

- Algebra 2 -
**Steve**, Sunday, January 22, 2012 at 11:04am
sequence is 2,4,8,16

sum = 30

just FYI the series is the sequence of partial sums of the sequence:

series = 2,6,14,30,...

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