Yes, but decimal numbers would be useful in: 1. Game score display where fractional points are possible 2. Currency 3. Any amount displayed to humans (like p

Yes, but decimal numbers would be useful in: 1. Game score display where fractional points are possible 2. Currency 3. Any amount displayed to humans (like pounds of beef sold) because decimal number correspond to what you're going to display to the user, while binary numbers are only useful for the result they produce inside an algorithm