numbers are used in every day life such as how old are you? whats 2+2?
<forget that> if your talkin about real number as in |-26| = 26 then yeah forget it. I think that real numbers would be used in things like how far are you away from something for example you wouldn't need to know if you are - amount away or + just that you are a certain distance.
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my but
Any situation numbers are used.
i dont know or care
Real numbers are numbers that exist from negative infinity to positive infinity and everything in between. real numbers consist of every number you are used to. Imaginary numbers are numbers that aren't used in conventional math (such as i)
Data encryption, used for personal identification numbers (PINs) and for secure communications over the internet are based on very large prime numbers.