Ask Question
5 June, 02:10

What is the 7th term of the geometric sequence 4, - 20, 100

+3
Answers (1)
  1. 5 June, 03:47
    0
    1st let's calculate r the common ratio:

    r = (-20) / 4 = (100/-20) = - 5

    Value of nth term = a₁. rⁿ⁻¹, where a₁ = 1st term and n, the rank

    Value of nth term = 4r (⁷⁻¹) = 4. (-5) ⁶

    Value of nth term = 62,500
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What is the 7th term of the geometric sequence 4, - 20, 100 ...” 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