No negative number can be a square. (At least not using
the kind of numbers you've learned to use so far.)
Yes its a perfect square
Yes
Yup.Have fun with your other problems.
Yes
Because 9*9 = 81
100
The first ten perfect squares are 1, 4, 9, 16, 25, 36, 49, 64, 81, and 100.
no it is not. perfect squares are 1 4 9 16 25 36 49 64 81 100 121 144 169...
729 square feet in 81 square yards.
81 is a perfect square
81 is a perfect square because 81 = 9 x 9
81 is a perfect squarebecause 81 = 9*9. It is NOT a perfect cube.
The perfect square of 9 is 81.
81 is a perfect square. 9 x 9 = 81
Because 9*9 = 81
81
It is: 81
81
The next perfect square after 81 (92) is 100 (102).
Because 9*9 = 81 which is a square number or a perfect square.
Yes because 9*9 = 81