The number
- Natural: No, because natural numbers are positive integers (1, 2, 3, ...), and
is not an integer. - Whole: No, because whole numbers are non-negative integers (0, 1, 2, ...), and
is not an integer. - Integer: No, because integers include all whole numbers and their negatives, and
is not an integer. - Rational: No, because rational numbers can be expressed as a fraction of two integers, and
cannot be expressed that way. - Irrational: Yes, because
cannot be expressed as a fraction of two integers, making it an irrational number.
Thus, the correct classification for