In 201420142014, the population of the United States was about 318{,}900{,}000318,900,000318, comma, 900, comma, 000 people.
Choose the best approximation of the United States population in 201420142014.

the answer is b.)

< 1=< 2

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.