No. The nearest square numbers are 92 and 102.
92
10.
6 is a even number but not a square number. Any number that does not have a whole number as its square root is not a square number.
The next perfect square after 78 is 81 (±92).
Square roots of negative numbers are imaginary.
The next perfect square after 81 (92) is 100 (102).
No. The square numbers either side of it are 81 (92) and 100 (102).
9 (92 = 81)
81; because 92 is 81.
7
92 = 81 and 102 = 100. So 98, which is between these two, is not a perfect square. Nevertheless, any positive number is a square. 98 is the square of an irrational number which is approximately 9.8995