Convert 72b10 to binary
72/2 0
36/2 0
18/2 0
9/2 1
4/2 0
2/2 0
2/1 1
-> 1001000
Convert 92b10 to b16
92/16 5
12/16 C
C5
147b8 to b10
147 -> 001 010 111
1010111 = 1 + 2 + 4 + 0 + 0 + 32 + 64 = 7 + 96 = 103
A49 + B7 in b16
B00
-------
1001011
- 11010
_______
110001
1 + 4 + 8 + 16 = 5 + 24 = 29
34 + 56 (8) = 112
204 - 56 (8) = 146