How to Calculate Rounding to the Nearest Tens Whole Number?
If the ones digit (first number after decimal point) of the number is greater than or equal to 5 we add 1 to tens of number, If the ones digit of the number is less than 5 we change ones digit to 0.
5!3! means 5(factorial)3(factorial) factorial means to mutiply by everything down to 1...so for example 6! = 6x5x4x3x2x1 So 5!3! means 3) 5x4x3x2x1x3x2x1 ??