Posted by Embraced on .
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,
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,...