What is an irrational number between nine and 11?
An irrational number between 9 and 11 could be √10.
To find an irrational number between 9 and 11, we can use the fact that the square root of any non-perfect square is an irrational number.
Let's calculate the square root of 10, which falls between 9 and 11:
√10 ≈ 3.16
Therefore, 3.16 is an irrational number between 9 and 11.