<PRE><B>Question 722518</B>
1 m = 100 cm


40*1 m = 40*100 cm


40 m = &lt;font color=&quot;red&quot;&gt;4,000 cm&lt;/font&gt;





1 m = 100 cm


20*1 m = 20*100 cm


20 m = &lt;font color=&quot;red&quot;&gt;2,000 cm&lt;/font&gt;


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1 m = 1000 mm


40*1 m = 40*1000 mm


40 m = &lt;font color=&quot;red&quot;&gt;40,000 mm&lt;/font&gt;





1 m = 1000 mm


20*1 m = 20*1000 mm


20 m = &lt;font color=&quot;red&quot;&gt;20,000 mm&lt;/font&gt;


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