B. The cleaning company charged a total of $83 to clean Peter's house. How many hours did it take to
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<h3>Answer: Choice B) r = 0.4; series converges</h3>
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Explanation:
Check out the attached image below to see the steps on how I computed r.
The value you should get is r = 0.4
Since r is less than 1, the series converges.
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Extra info:
If r > 1, then the series would diverge.
If r = 1, then the series may diverge, conditionally converge, or absolutely converge. Another test would be needed if you get r = 1.