To determine which numbers are rational, we need to identify numbers that can be expressed as a fraction of two integers.
- √36 (square root of 36): This is 6, which is a rational number.
- 11/23: This is a fraction of two integers, which means it is a rational number.
- √72 (square root of 72): This is approximately 8.485, which is an irrational number since it cannot be expressed as a fraction of two integers.
- 2.7: This can be expressed as 27/10 (a fraction), so it is a rational number.
- √14 (square root of 14): This is approximately 3.742, which is an irrational number.
- π: This is a well-known irrational number.
The rational numbers from the options are:
- √36 (which equals 6)
- 11/23
- 2.7
So the three that apply are:
- √36
- 11/23
- 2.7