1. Biner --> Desimal
1101(B)=..............(D)
11012 = 1x23 + 1x22 + 1x20
= 8 + 4 + 1
= 1310
2. Oktal --> Desimal572(O)=..............(D)
5728 = 5x82 + 7x81 + 2x80
= 320 + 56 + 16
= 39210
3. Hexa --> Desimal2A(H)=...............(D)
2A16 = 2x161 + 10x160
= 32 + 10
= 4210