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What is the sum of a 6-term geometric series if the first term is 23 and the last term is 1,358,127?...
5 months ago
Q:
What is the sum of a 6-term geometric series if the first term is 23 and the last term is 1,358,127? 1,395,030 1,461,460 1,527,890?
Accepted Solution
A:
The common ratio is (1358127/23)^(1/5) = 9.
The sum of 6 terms is
.. 23*(9^6 -1)/(9 -1) = 1,527,890 . . . . . . . . . . selection 3