1. ## Population Density ?

here go's

can anyone explain how to work out this Question?

Japan population - Millions 125.0
Population Density - People per km 331

What is the total area of japan in square kilometres 10,000s

any help will be gratefully recieved

scott

2. Originally Posted by scott20772
here go's

can anyone explain how to work out this Question?

Japan population - Millions 125.0
Population Density - People per km 331

What is the total area of japan in square kilometres 10,000s

any help will be gratefully recieved

scott
Actually the units on the population density should be $\text{people}/\text{km}^2$

So the area of Japan will be:
$\frac{125.0 \times 10^6}{331} = 377644~\text{km}^2 = 37.7644 \times 10^4 ~\text{km}^2$

-Dan