Question 476057: Is 5 a rational,integer,whole number,natural number or irrational,same for -1 1/3,sqrt (7),0,and -3
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! Hint:
Rational numbers are numbers that can be expressed as a ratio of two integers.
Irrational numbers, such as sqrt(7), cannot be expressed as a ratio of two integers.
An integer is a number with zero fractional part, i.e. {...,-2,-1,0,1,2,...}
A whole number is any integer greater than or equal to 0, i.e. {0,1,2,...}.
A natural number is any integer greater than or equal to 1 (i.e. the set of whole numbers minus the number zero).
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