I am not too sure what to do to answer this question.(adsbygoogle = window.adsbygoogle || []).push({});

Each year for the past 5 years the population of a certain country has increased by a steady rate of 2.7% per annum. The present population is 15.2 million.

a) what was thepopulation 1 yr ago?

b) what was the population 5 years ago?

I forgot what formula to use. Any help and reminders welcome. Thanks

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# Homework Help: Sequences and series

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