Ask Question
13 August, 15:07

The sum of an infinite geometric series is 1,280, while the first term of the series is 160. What is the common ratio of the series?

+4
Answers (1)
  1. 13 August, 17:42
    0
    The sum is 160 / (1-r) = 1280 where r is the common ratio,

    1 / (1-r) = 1280/160=8

    Inverting we get 1-r=1/8, r=7/8.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “The sum of an infinite geometric series is 1,280, while the first term of the series is 160. What is the common ratio of the series? ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers