Answer
$$ 278.6
\ cm.$$
Work Step by Step
First, we convert the measurement 1.417 m to cm by multiplying by 100;
$$1.417 \ m= 141.7\ cm.$$
Now, we can add the measurements as follows
$$120.5 \ cm+ 16.4\ cm+ 141.7 \ cm= 278.6
\ cm.$$
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 4.5 - Addition and Subtraction of Measurements - Exercise - Page 185: 30
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