# In 1992, the city of Chicago had 6.5 million people. In 2000 they project Chicago will have 6.6 million people. If Chicago's population grows exponentially, how many people will live in Chicago in 2005?

##### 1 Answer

Jun 24, 2015

Chicago's population in 2005 will be approximately 6.7 million people.

#### Explanation:

If the population grows exponentially, then its formula has the following form:

We start the problem in 1992 with a population of

Therefore, we have

If we consider one million people as the unit of the problem, we have

We are looking for the population in 2005, 13 years after the beginning of the problem: