SOLUTION: What is the ratio of the nineteenth term to the twentieth term?????? 1,-3,9,-27,...

Question 501518: What is the ratio of the nineteenth term to the twentieth term?????? 1,-3,9,-27,...
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
A general formula for this would be
where varies from
to any positive integer
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The ratio of the nineteenth term to the twentieth term:

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Note that I start counting terms with , so the
the 19th term has
the 20th term has