Answer
47
Work Step by Step
$101111_2$ is 1 thirty-two, 0 sixteens, 1 eight, 1 four, 1 two and 1 one.
$32+0+8+4+2+1=47$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 16 - Section 16.1 - Introduction to Binary Numbers - Exercise - Page 551: 9
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