30 is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer.
500 is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer.
8 is a perfect cube; it is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer....you're thinking of 9...
Yes. The square root of 144 is 12, making 144 a perfect square.
No, 8x8 is 64 and that is a perfect square... 69 is not!
The perfect square of 75 is 5625. Not sure of the relevance of "greatest", though.
5040 is not a perfect square. The greatest perfect square less than 5040 is 4900.
The greatest perfect square is 36.
4
8747
4
The largest 5 digit perfect square is 99856 = 3162
650 has no factor that is a perfect square, other than 1.
64
81
25
9