Yes, it is.
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3 squared is 9 and 4 squared is 16, so the square root of any whole number between 9 and 16 will be irrational.
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.
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.
When the whole number is a perfect square, ie it is a whole number squared.
When you square a number, you multiply it by itself. So, 9 squared means 9 multiplied by 9, which equals 81. In mathematical notation, 9 squared is written as 9^2 or 9 x 9.