Natural numbers are all the counting numbers excluding zero and all negative numbers. People use these in everyday life to count, add, subtract, and even with money purposes
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you don't.
Economics is all about real life situations. All resources are limited and economics is simply about making decisions to use those resources efficiently.
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.
well you use them for math
For computations and Measurement ;))
your weight
weather and sports
Natural numbers are all the counting numbers excluding zero and all negative numbers. People use these in everyday life to count, add, subtract, and even with money purposes
natural numbers are used in real life for counting, adding, subtracting and even for calculting money purposes
Everywhere, you say I want one apple, or twocookies; both rational numbers.
The population of your town, state, country will all be whole numbers but you would not use the raw numbers for any of them.
In finding the LCM or HCF of two or more numbers
When working with really large or really small numbers.
House numbers are often odds on one side of the street, evens on the other.
When things are shared, or to compare prices of two different things.