Question

What is the decimal equivalent of the binary number 0111 (also written as 0111₂) ?

Answer 1

0 x 23	Plus 1 x 22	Plus 1 x 21	Plus 1 x 20
= 0 x 8	Plus 1 x 4	Plus 1 x 2	Plus 1 x 1
= 0	+ 4	+ 2	+ 1

Total = 7 (also written as 7₁₀)