A real number between 13 squared and 14 squared

If we find the square root of 13 ans 14 we get

sqrt (13) = 3.60555

sqrt (14) = 3.74166

All Real numbers can be rational number and irrational number.

We can write 3.7 as 37/10, which is the easy rational number and an irrational number within the range is sqrt (27/2)

Real number system is used in mathematics and statistics.