deci- prefix means tenth (1/10)
⇒ 1 dm = 1/10 m
⇒ 10 dm = 1 m
⇒ 1 sq m = 1 m x 1 m
= 10 dm x 10 dm
= 100 dm2
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180 dm
mm is millimeters (thousandths of a meter).dm is decimeter (tenths of a meter).26.1 mm = 0.261 dm
A millimeter is a thousandth of a meter; a decimeter is a tenth of a meter. So 1 dm is 100 mm. So we divide by 100. The answer is 0.067 dm.
10,000
1 meter=10 decimeters