-- Every time you buy an amount of something that's not a whole number,
like 8.74 gallons of gas, or 11/2 pounds of sliced pastrami.
-- Every time the price is not a whole number of dollars,
like $1.49 or $29.32 .
Chat with our AI personalities
Jeopardy.
In the real world you can use the order of rational numbers. This is used a lot in math.
Unless you are an electrical engineer or a math teacher, every number you will ever use in a real world situation will be a real number.
For counting things: one, two, three, ...
they write them down