What is the decimal equivalent for the binary number 1001101

What is the decimal equivalent for the binary number 10011011?

A. 153

B. 155

C. 183

D. 185

Solution

B is correct. 10011011 equates to 155: 128 + 0 + 0 + 16 + 8 + 0 + 2 + 1 = 155.

A, C, and D are incorrect. The binary equivalent of each of these answers does not match the decimal number 155.