Kevin moved from a city to a small town. The population of the city is 8*10^4 is about 20 times as great as the small town. What is the approximate population of the small town?

Given:

Population of city =

It is about 20 times as great as the small town.

To find:

The approximate population of the small town.

Solution:

Population of city is about 20 times as great as the small town. It means,

On substituting Population of city = , we get

Therefore, the population of the small town is .