SOLUTION: What is the 10th term of -2 ,6, -18

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Question 1167332: What is the 10th term of -2 ,6, -18
Answer by ikleyn(52866) About Me  (Show Source):
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The 10-th term of the geometric progression with the first term -2 and the common ratio -3 is


    a%5B10%5D = a%5B1%5D%2Ar%5E%28n-1%29 = -2%2A%28-3%29%5E9 = %28-1%29%5E10%2A2%2A3%5E9 = 2%2A3%5E9 = 39366.    ANSWER

Solved.

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On geometric progressions,  see introductory lessons
    - Geometric progressions
    - The proofs of the formulas for geometric progressions
    - Problems on geometric progressions
    - Word problems on geometric progressions
in this site.

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    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic
"Geometric progressions".

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Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

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