Geometric series formula
The common ratio of a geometric series is 3 and the sum of the first 8 terms is 3280. What is the first term of the series?
1
Find the sum of the first 9 terms in the following geometric series. Do not round your answer. 64 + 32 + 16 + ....
127.75
The common ratio of a geometric series is 1\4 and the sum of the first 4 terms is 170. What is the first term of the series?
128
The first term in a geometric series is 64 and the common ratio is 0.75. Find the sum of the first 4 terms in the series.
175
Find the sum of the first 7 terms in the following geometric series. Do not round your answer. 1024 + 512 + 256 + ...
2032
The sum of the first 6 terms of a geometric series is 15,624 and the common ratio is 5. What is the first term of the series?
4
Find the sum of the first 8 terms in the following geometric series. Do not round your answer. 2 + 8 + 32 + ...
43,690
The common ratio in a geometric series is 0.50 and the first term is 256. Find the sum of the first 6 terms in the series.
504
The first term in a geometric series is 5 and the common ratio is 2. Find the sum of the first 10 terms in the series.
5115
The common ratio in a geometric series is 4 and the first term is 3. Find the sum of the first 8 terms in the series.
65,535
Find the sum of the first 9 terms in the following geometric series. Do not round your answer. 7 + 21 + 63 + ...
68,887
The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2\3. What is the first term of the series?
81
