Answer
$$-0.878 \ in.$$
Work Step by Step
The small needle reads -0.8 in and the larger needle reads -0.078 in. Hence, the final reading is $$-0.80 \ in-0.078 \ in=-0.878 \ in.$$
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 4.9 - Reading Scales - Exercise - Page 203: 18
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