scientific notation word problem

Question

Approximately 9 × 10 ³ employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year? Write your answer in scientific notation.

Answer 1

9 x 10^3 x 30,000

=270,000 x 10^3

= 2.7 x 10^5 x 10^3

= 2.7 x 10^(5+3)

= 2.7 x 10^8