It is 3 to 5 because 5 dm = 50 cm
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1 dm = 1 cm → 1 dm² = 1 dm × 1 dm = 10 cm × 10 cm = 100 cm² → To convert dm² to cm² multiply by 100 → 5 dm² = 5 × 100 cm² = 500 cm².
5 dm. 1 dm is 10 cm.
millimeters = mm centimeters = cm 5 * 60 = 300mm 300mm = 30cm The chain would be 30cm long
(10+10)+(5+5)=30cm
30*30*30 cm3 or 27,000 cubic centimetres.