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Updated February 12th, 2006

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Use the first 14 terms of the following geometric series for the problem below:

7, -13.3, 25.27, -48.013, ...

What is the value of the common ratio ? r =

What is the sum of the first 14 terms? S₁₄ =

Use the first 14 terms of the following geometric series for the problem below: 7, -13.3, 25.27, -48.013, ...
What is the value of the common ratio ?	r =
What is the sum of the first 14 terms?	S₁₄ =