Răspuns:
9¹=9
9²=81
9³=729
9⁴=6561
9⁵=59049
9⁶=531441
9⁷=4782969
9⁸=43046721
9⁹=387420489
9¹⁰=3486784401
9¹¹=31381059609
9¹²=282429536481