Compare metric units of length Quiz Welcome to your Compare metric units of length QuizPlease click "Next"Which one is greater 2.3 meters or 23 cm? 2.3 meters 23 cm they are equal Which one is longer 0.01 m or 10 cm 0.1 m 10 cm they are equal Which one is shorter 105 mm or 15 cm 105 mm 15 cm they are equal Which one is longer 3 m or 3000 mm 300 mm 3 m they are equal Which one is shorter 356 mm or 38.4 cm 38.4 cm 356 mm they are equal Time is Up! Time's up