Description: Sal shows how to keep track of the decimal point when dividing a decimal by a whole number. Created by Sal Khan. So we can rewrite this as 5.005 divided by 7. So you want to put the decimal, it's to the right of the ones place. Well, it goes into 5 zero times, and we could write 0 times 7 is 0.*Teacher Advisor is 100% free.