81 16 power 3 4 July 8, 2019 16 32 64 128 81 16 to the power of negative 3 4 81 16 power minus 3 by 4 16 81 whole power 3 by 4 16 81 to the power of 3 4 as a fraction 81 power x = 3 81 to the power of 3