The ten’s complement of an n- bit decimal number x is defi ned to be 10 n = x . For example, the ten’s complement of 198 is 10 3 = 198 = 802. A fast way to calculate the ten’s complement of 198 is to...

The ten’s complement of an n- bit decimal number x is defi ned to be 10 n = x . For example, the ten’s complement of 198 is 10 3 = 198 = 802. A fast way to calculate the ten’s complement of 198 is to subtract 198 from 999 and then add 1. Subtracting from 999 is easy because for every digit i that you subtract, each resulting digit is simply 9 = i . Calculate the ten’s complement of 1872, 192, 981652, and 19734.