One fourth of 40 is 10 because 1 4 x 40 10 50 of 30 is 15 because 0 5 x 30 15 or 1 2 x 30 is 15.
What does mean in mathematics.
A calculated central value of a set of numbers.
Commonly is used to mean multiplication when handwritten or used on a calculator 2 2 for example.
The symbol is used in spreadsheets and other computer applications to indicate a multiplication although does have other more complex meanings in mathematics.
In mathematics of means a part of something.
The arithmetic mean is the average of the numbers.
The following is a list of mathematical symbols used in all branches of mathematics to express a formula or to represent a constant.
It is not a mathematical symbol.
A mathematical concept is independent of the symbol chosen to represent it.
But other times it can mean a ratio as in 4 out of 5.
Mostly of means to multiply.
E g using quora s math markup if i write 2 3 and put it in math mode it comes.
It means greater than you could reverse the math equation to 12 5x 9 and it would be read as less than.
Add up all the numbers then divide by how many numbers there are.
These symbols have the same meaning.
2 7 9 18.
What is the mean of 2 7 and 9.
However it is a notation commonly used in programming languages calculators and typography to indicate exponentiation.