I'm trying to convert hex 8B to decimal. Though I keep getting wrong decimal? I used this https://www.youtube.com/watch?v=t_kA5KQxByc as a guide.
I see that the soln is 139.
8B
8421 | 8421
1000 | 1011
128 64 32 16 8 4 2 1
1 0 0 0 1 0 1 1
Adding, I get 141??