Approximately $7 \times 10^{3}$ 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?
A) $\$ 21 \times 10^{8}$
B) $\$ 2.1 \times 10^{9}$
C) $\$ 2.1 \times 10^{8}$
D) $\$ 21 \times 10^{9}$

Question

Quizplus · Accepted Answer

The total amount earned is calculated by multiplying the number of employees by the average salary: $7 \times 10^{3} \times 30,000 = 2.1 \times 10^{8}$.

Approximately 7×1037 \times 10^{3}7×103 Employees of a Certain Company Average $30,000\$ 30,000$30,000

Approximately $7 \times 10^{3}$ Employees of a Certain Company Average $\$ 30,000$