Geometric Series

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Geometric Series

Postby elistric20 on Thu May 29, 2014 11:58 pm

It would be great if someone could help!
Each year for ten years the population of a city increased by 5.6% of its value the previous year. If the initial population is 200000, what is the population after 10 years?
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Re: Geometric Series

Postby FWT on Fri May 30, 2014 2:16 pm

elistric20 wrote:Each year for ten years the population of a city increased by 5.6% of its value the previous year. If the initial population is 200000, what is the population after 10 years?

Use the percentage as the common ratio r. Use the initial value as the initial value a. Use the 10 for the top value of n in the summation symbol. Then plug into the formula. They show how it works on this page. If you get stuck, please write back showing what you did. Thanks.
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