Identify the set to which each of the following numbers belongs by marking an "X" in the appropriate boxes.

Number

Natural Numbers

Integers

Whole Numbers

Rational Numbers

Irrational Numbers

Real Numbers

1

- sqrt(17)

2-2

3

- 9/37

40

Number | Natural Numbers | Integers | Whole Numbers | Rational Numbers | Irrational Numbers | Real Numbers

1 | X | X | X | X | | X
- sqrt(17) | | X | X | X | X | X
2-2 | | X | X | X | | X
3 | X | X | X | X | | X
-9/37 | | X | X | X | | X
40 | X | X | X | X | | X