7 is not the square of a perfect integer - the square root of 7, rounded to two decimal places, is 2.65.
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16 - 9 = 7
Oh, dude, like, yes, 52 is not a square number. A square number is like when you can multiply a number by itself to get it, you know? Like 7 times 7 is 49, square number. But 52? Nah, no square root action happening there.
No, the number 7 is not a square number. A square number is a number that can be written as the product of an integer with itself, such as 4 (2 x 2) or 9 (3 x 3). Since 7 cannot be expressed as the product of an integer with itself, it is not a square number.
49 = 7 x 7 so it is a square number.
To square a number (mathematically expressed as X2) you multiply it by itself. 49 is the square of the number 7, and 7 can be said to be the 'square root' of 49.