81 is a perfect square because 81 = 9 x 9
The cube root of 729 is 9 and 9 squared is 81.
There are 90 two-digit numbers from 10 to 99. Of those, 6 are perfect squares (16, 25, 36, 49, 64, and 81) and 2 are perfect cubes (27 and 64). Each perfect square or root has a probability of 1 in 90 in being drawn.
Both 9 and -9 are square roots of 81
81 is the only one.
its 81
81 is a perfect square
If by cube you mean perfect cube (a cube of an integer), then no, and the nearest perfect cube is 81.
The cube of the square root of 81, which can be simplified to 81^(3/2) is equal to the cube of 9. 93 = 729.
64 (8*8) and (4*4*4)The next one is 81 (9*9) and (3*3*3) :)
81 is a perfect square because 81 = 9 x 9
The perfect square of 9 is 81.
Perfect Squares 1 4 9 16 25 36 49 64 81 100
81 is a perfect square. 9 x 9 = 81
9 and 81.
Because 9*9 = 81
81