Answer
$$180,000 \ cm^2.$$
Work Step by Step
To change $ m^2$ to $cm^2$, we multiply by $10^4$. That is, $$18\ m^2= 18\times 10^4 \ cm^2=180,000 \ cm^2.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 3 - Section 3.4 - Volume and Area - Exercise - Page 147: 46
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