There were approximately 3 x 10^5 firefighters in the United States in 2012. The average salary of a firefighter was $45,000. About how much did all firefighters in the United States earn from their salary altogether in 2012? Express your answer using scientific notation

Respuesta :

Given the number of firefighters and the average salary, the total salary altogehter is about $1.35 x 10^10

What is scientific notation?

Scientific notation is used simplify large numbers into smaller numbers. In order to transform a number into a scientific notation, the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10.

3 x 10^5 x 4.5^4 = 13.5 x 10^9

= 1.35 x 10^10

To learn more about scientific notation, please check: brainly.com/question/25334755