I think you are asking for two numbers, so you just have to look at the decimals.
23.7
We can use an infinite amount of numbers here, but to make it simple you can just take away 0.01 or add 0.01.
23.69
23.71
These are funny answers as well because they both round to 23.7 and meet the requirements.
Answer:

Step-by-step explanation:

Subtract the numerator exponent from the denominator exponent.

It is 9 because you have a 30,60,90 triangle, and then you can use pythagorean theorem.
Answer:
42
Step-by-step explanation:
The answer to life the universe and everything is 42