Answer
$$2.1\ km/s$$
Work Step by Step
We have
$$
\frac{5.63\ km }{ 2.7\ s}=2.085\ km/s
.$$
Now, round this product to two significant digits, which is the accuracy of the least accurate measurement. That is,
$$2.085\ km/s=2.1\ km/s$$
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 4.6 - Multiplication and Division of Measurements - Exercise - Page 188: 21
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