Answer
3
Work Step by Step
To find the number of significant digits, we follow the rules on page 162 of the book.
We use rule #1: all non-zero digits are significant. Since all the digits are non-zero, we have 3 significant digits.
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 4 - Section 4.1 - Approximate Numbers and Accuracy - Exercise - Page 163: 1
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