5
7
5
The number is 5.
5.
5 because 52 = 25 and 53 = 125
7
7
5
49 squared is equal to 2,401.The question may be trying to ask: "What whole number equals 49 when it is squared ?"In that case, the answer is 7.
Yes, 50 squared (50^2) is a whole number. Squaring a whole number always results in another whole number. In this case, 50 squared equals 2,500, which is a whole number.
52 = 25