Compare metric units of length Quiz Welcome to your Compare metric units of length QuizPlease enter your email and click "Next" Email Which one is greater2.3 meters or 23 cm?2.3 meters23 cmthey are equalWhich one is longer0.01 m or 10 cm0.1 m10 cmthey are equalWhich one is shorter105 mm or 15 cm105 mm15 cmthey are equalWhich one is longer3 m or 3000 mm300 mm3 mthey are equalWhich one is shorter356 mm or 38.4 cm38.4 cm356 mmthey are equalTime is Up!