# help me in math!

is -5 a real #?
rational #?
irrational #?
whole #?
integer?
counting (natural) #?

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1. An irrational number is a number whose digits after the decimal do not repeat, such as π, √2, etc.

-5 is all of the above except irrational number and one other type.

http://en.wikipedia.org/wiki/Number

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