Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 4 - Number Representation and Calculation - 4.2 Number Bases in Positional Systems - Exercise Set 4.2: 4

Answer

$55$

Work Step by Step

The expanded form of $67_{\text{eight}}$ is: $=(6 \times 8^1) + (7 \times 1) \\=(6\times 8) + 7 \\=48 +7 \\=55$
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