The real number √23 belongs to which set of numbers?

Algebra
Tutor: None Selected Time limit: 1 Day

 The real number √23 belongs to which set of numbers?
 
airrational numbers
Bintegers
Crational numbers
Dwhole numbers
May 5th, 2015

a) irrational numbers 

(4 < sqrt(23) < 5, so the number can be neither an integer nor a whole number). Moreover, 23 is not a perfect square, so its square root is not a rational number.

May 5th, 2015

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May 5th, 2015
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