20
9x9x9=9^3 which is = to 729
Do the math: 9x9x9 9x9=81 81x9=729
The product is: 729
9x9x9
9x9x9
Answer 9 power of 3 = 9x9x9
9 9x9x9 = 729
There is a 9x9x9 and a 11x11x11 cube but no physical 10x10x10 cubes as of yet.
It's another way of writing nine times nine times nine, or 9x9x9.
there is a 9x9 rubiks cube but i dont think its possible for a cube to be #x#x# at all
It isn't actually officially recognized, because of the fact it is so large.
The only cube of an integer in the range 600 - 800 is 9 because 9x9x9= 729.