Transformati din baza 2 in baza 10
A)11100
B)10011
C)111011
D)1110000

1 1100 = (1 × 2 la puterea 4 + 1 × 2 la puterea 3 + 1 × 2 la puterea 2 + 0 × 2 la puterea 1 + 0 × 20) = (16 + 8 + 4 + 0 + 0)= (16 + 8 + 4)= 28

1 0011 = (1 × 2 la puterea 4 + 0 × 2 la puterea 3 + 0 × 2 la puterea 2 + 1 × 2 la puterea 1 + 1 × 20)= (16 + 0 + 0 + 2 + 1) = (16 + 2 + 1) = 19
11 1011 = (1 × 2 la puterea 5 + 1 × 2 la puterea 4 + 1 × 2 la puterea 3 + 0 × 2 la puterea 2 + 1 × 2 la puterea 1 + 1 × 20) = (32 + 16 + 8 + 0 + 2 + 1) = (32 + 16 + 8 + 2 + 1) = 59

111 0000 = (1 × 2 la puterea 6 + 1 × 2 la puterea 5 + 1 × 2 la puterea 4 + 0 × 2 la puterea 3 + 0 × 2 la puterea 2 + 0 × 2a  la putere1 + 0 × 20) = (64 + 32 + 16 + 0 + 0 + 0 + 0) = (64 + 32 + 16)= 112