SOLUTION: Find the sum of the terms of the geometric sequence 3, 6, 12, 24.

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Question 828111: Find the sum of the terms of the geometric sequence 3, 6, 12, 24.
Answer by josgarithmetic(39618) About Me  (Show Source):
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Sum of finite terms of geometric sequence, a%281-r%5En%29%2F%281-r%29 using a=first term, r is common ratio between terms. n is the number of terms.

Yours, a=3, n=4. r=2.
Sum is 3%281-2%5E4%29%2F%281-2%29