Multiple choice

Conversion of binary number 1011011 to its decimal number is _____.

  1. 81

  2. 91

  3. 100

  4. 200

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Binary to decimal conversion uses powers of 2 from right to left (2^0, 2^1, 2^2, etc.). Starting from the right: 1(1) + 1(2) + 0(4) + 1(8) + 1(16) + 0(32) + 1(64) = 91.