Ask Question
6 December, 10:01

The value of the 4th term is 80. the sequence is being doubled each step what is the 7th term?

+1
Answers (1)
  1. 6 December, 11:53
    0
    This is a geometric sequence with common ratio (r) = 2.

    an = ar^ (n - 1)

    a4 = a (2) ^ (4 - 1) = a (2) ^3 = 8a

    8a = 80

    a = 80/8 = 10

    7th term (a7) = 10 (2) ^ (7 - 1) = 10 (2^6) = 10 (64) = 640
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The value of the 4th term is 80. the sequence is being doubled each step what is the 7th term? ...” 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