Answer
$31_{10}$
Work Step by Step
$11111_2$ is 1 sixteen, 1 eight, 1 four, 1 two and 1 one.
$16+8+4+2+1=31$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.