An elevador starts on the 100th floor of a building it descends 4 floor every 10 seconds At what floor will the elevator be 60 s
2 answers:
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The infinite geometric series is converges if |r| < 1.
We have r=1/6 < 1, therefore our infinite geometric series is converges.
The sum S of an infinite geometric series with |r| < 1 is given by the formula :
We have:
substitute:
Answer: d. Converges, 504.