Signed numbers are used for:TemperatureMoney, Accounting, or EconomyMath Problems
architecture jobs
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.
natural numbers are used in real life for counting, adding, subtracting and even for calculting money purposes
natural numbers
well you use them for math
For computations and Measurement ;))
your weight
weather and sports
Signed numbers are used for:TemperatureMoney, Accounting, or EconomyMath Problems
Almost all numbers that we use in daily life are decimal numbers. The place value of each digit is ten times the place value of the digit to its right. And that is all that is required of decimal numbers. A decimal point is not necessary.
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.