16 = 2 ^ 4
16 ^ n = (2 ^ 4) ^ n = 2 ^ (4 * n)
2 ^ 5 * 2 ^ 11 = 2 * (5 + 11) = 2 * 16
4 * n = 16
n = 4
若16的N次方=2的五次方*2的11次方,则n=[ ]
16 = 2 ^ 4
16 ^ n = (2 ^ 4) ^ n = 2 ^ (4 * n)
2 ^ 5 * 2 ^ 11 = 2 * (5 + 11) = 2 * 16
4 * n = 16
n = 4