In a recent year, the population of california was about 2.52 x 10^7 people. its land area is about 4.05 x 10^5 km^2. what was the average number of people per square kilometer? write your answer in scientific notation. i need

The population of California = people.

Land area of California = .

We have to determine the average number of people per square kilometer.

Average number of people per square kilometer =

Land area of California Population of California

=

=

Therefore, the average number of people per square kilometer is  .

It is represented in scientific notation as Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

-2/