In the real world you can use the order of rational numbers. This is used a lot in math.
Rational function can be used in real life in modeling multi-person work problems.
Every time you think or say a positive, whole, or fractioned, number, you use positive rational numbers. You might say that you are 19 years old; or that yor birthday is on January 5th etc.
use in counting
I would hope all elections use rational numbers: all Counting numbers are Rational numbers.
In the real world you can use the order of rational numbers. This is used a lot in math.
Rational function can be used in real life in modeling multi-person work problems.
Every time you think or say a positive, whole, or fractioned, number, you use positive rational numbers. You might say that you are 19 years old; or that yor birthday is on January 5th etc.
use in counting
In real life one can do very well with nothing but rational numbers. Real numbers that are not rational can be approximated with whatever degree of accuracy is needed, which is exactly what computers and calculators do . Real numbers are essential to mathematical theory but unless you are a mathematician or need to understand higher mathematics in a rigorous way, you can do very well with only a vague , intuitive understanding of real numbers. In fact, it was not until 1870 ,or so, that mathematicians devised a satisfactory definition of real numbers.
I would hope all elections use rational numbers: all Counting numbers are Rational numbers.
You cannot. The diagonal of a unit square cannot be represented by a rational number. However, because rational numbers are infinitely dense, you can get as close to an irrational number as you like even if you cannot get to it. If this approximation is adequate than you are able to represent the real world using rational numbers.
Any. They can be integers, rational numbers (the same thing if you multiply out by their LCM), real numbers or even complex numbers.
Any time that you want to count or share anything.
There is no specific symbol. The symbol for real numbers is R and that for rational numbers is Q so you could use R \ Q.
A rational exponent is an exponent in the form of a fraction. Many financial formulas use rational exponents. Compound interest is formula that uses rational exponents.
well you use them for math