Question

In 2012, the population of NY was about 2.4 x 10^7 and the population of Oregon was 4x10^5. What is the total population of the two states?

Answer 1

To find the total population of the two states, simply add the population of NY and Oregon:

2.4 x 10^7 + 4 x 10^5

To add numbers written in scientific notation, the powers of 10 must be the same, so we need to convert one of them to the same power.

Since 4 x 10^5 = 4 x 10^7, we can rewrite the equation as:

2.4 x 10^7 + 0.4 x 10^7

Now we can add the two numbers:

2.4 x 10^7 + 0.4 x 10^7 = 2.8 x 10^7

So, the total population of the two states is 2.8 x 10^7.