Decimal value of 10011010 binary number Result 10011010 = 154 Explained 1 * 27 = 128 0 * 26 = 0 0 * 25 = 0 1 * 24 = 16 1 * 23 = 8 0 * 22 = 0 1 * 21 = 2 0 * 20 = 0 In result: 128 + 16 + 8 + 2 = 154