15.050 < 15.500
notice that 500 is more than 50... so hope this helps a little bit !!!
:)
Sqrt of 144 = 12 so in other words your answer is 12
Answer:

Explanation:
If a side has a bracket [] then it is less than or equal to, meaning that it can reach that exact number.
However, if a side has a parentheses () then it is simply less than. It cannot be that exact number, but it can be even slightly less than that number.