#### Answer

km

#### Work Step by Step

I walked 2 km to school. Length can be measured in km, m, cm or mm. If we choose 2 m, 2 cm or 2 mm it will very less for the distance of school. So 2 km is the correct choice.

Published by
Pearson

ISBN 10:
0321825535

ISBN 13:
978-0-32182-553-7

km

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