Let's go over it shall we:
8.4 / 4,000
1. first you have to move the decimal point over so that it becomes a whole number. *Hint: however many times you move the decimal point on the outside you do the same on the inside. For example:
2. Once you do that it becomes extremely easy. Next, you just solve it like a regular division problem.
3. The answer is B. 0.0021
Hope I helped ;)
