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what does the symbol m mean in math. Sometimes there are numbers above and below the sigma sign. The sigma sign I which resembles a sideways M represents the sum of.
It is not a mathematical symbol. For example ⅓ℚ and -712ℚ. Probability of event A.
These symbols have the same meaning.
However it is a notation commonly used in programming languages calculators and typography to indicate exponentiation. That is the numbers contained in ℚ are exactly those of the form nm where n and m are integers and m0. Commonly is used to mean multiplication when handwritten or used on a calculator 2 2 for example. The sigma sign I which resembles a sideways M represents the sum of.