No, 18 is not a square number
4.242640687It's the square root of 18
no, it not because it does not have a product of itself
18 square feet is an area, and half of 18 = 9 is a number. You can't compare numbers with areas (or any measurement with units).
306
No, 18 is not a square number
A square number because 18*18 = 324
The square root of 18 is an irrational number because it cannot be expressed as a fraction.
no
It is neither because the square root of -18 is an imaginary number but the square root of 18 is irrational
182= 324 square root 18= 4.242640687... 1 and 9 are square numbers that are factors of 18.
18 is a factor of 36. 36 is a square. 18 is not.
The square root of 18 is: ± 4.242641
4.242640687It's the square root of 18
False
Yes
no, it not because it does not have a product of itself