Multiple choice

23 in binary is?

  1. 10001

  2. 10011

  3. 10100

  4. 10111

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

To convert the decimal number 23 to binary, we can break it down into powers of two: 16 + 4 + 2 + 1. This corresponds to a 1 in the 16s place, 0 in the 8s place, 1 in the 4s place, 1 in the 2s place, and 1 in the 1s place, resulting in 10111.