Population Density Quiz

What is the formula for calculating population density?

• Area of the land minus the number of people

• Number of people multiplied by the area of the land

• Area of the land divided by the number of people

• Number of people divided by the area of the land

In the first example, what is the correct way to input the calculation into a calculator to find the population density?

• 124,000 divided by 4 pi

• 124,000 divided by (4 pi)

• 124,000 times 4 pi

• 124,000 plus 4 pi

In the second example, what is the population density given a 10-mile radius and 869 people?

• 100 pi people per square mile

• 10,000 people per square mile

• 273,000 people per square mile

• 869 people per square mile

How many people live in the city if the population density is 869 people per square mile and the radius is 10 miles?

• 50,000 people

• 100,000 people

• 869,000 people

• 273,000 people

What is the radius of a region if 79,000 people live there with a population density of 513 people per square mile?

• 7 miles

• 12 miles

• 10 miles

• 5 miles