Ask Question
25 September, 21:52

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 a series.

+5
Answers (1)
  1. 26 September, 01:45
    0
    hi

    u0 = 64 with u (n+1) = un * 0.75

    u3 = 64 * 0.75^3 = 27

    sum is : 64 * (0.75^4 - 1) / 0.75-1 = 175

    manual proof : 64 + 48+36+27 = 175
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “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 a series. ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers