The number 40.5 is 500 times greater than which number?
Explanation
A quick way to divide by 500 is to first divide by 1000 and multiply the quotient by 2. In this problem, divide 40.5 by 1000 by shifting the decimal point 3 places to the left. Then, multiply the quotient by 2: (0.0405)(2) = 0.0810.