80 is not a square number
1 is, 4 is, 9 is, 16 is, 25 is, 36 is, 49 is, 64 is, 81 is, 100 is
80 is not
No but 81 is a square number
No but 81 is a square number
The positive square root of 80 is approximately 8.94. Since 8.94 is closest to 9, the number closest to the positive square root of 80 is 9.
Yes
1,4,9,16,25,36,49,64
No, 80 is a not perfect square.
No but 81 is a square number
No.
No, there aren't any square numbers between 70 and 80. From 70 to 80, no number has a perfect square root, so no square number exists between 70 to 80.
No but 81 is a square number
No
The square root of -6400 is not a real number because the square root of a negative number is not defined in the real number system.
64
Yes
1,4,9,16,25,36,49,64
9
It is 64.