Passa de binari a decimal els següents nombres:

-101 = 1 x 22 + 0 x 2 + 1 x 1 = 4 + 1 = 5 -1010 = 1 x 23 + 0 x 22 + 1 x 2 + 0 x 20 = 8 + 0 + 2 + 0 = 10 -11110 =1 x 24 + 1 x 23 + 1 x 22 + 1 x 2 x 0 + 20= 16 + 8 + 4 + 2 = 30 -10100110 = 1 x 27 + 0 x 26 + 1 x 25 + 0 x 24 + 0 x 23 + 1 x 22 + 1 x 2 + 0 x 20 = 128 + 0 + 32 + 0 + 0 + 4 + 2 + 0 = 166