Question 1154599: 40 mm = 400 cm
3000 mm = 3,000,000 m
Why is mistake common and how can you help her in the future? Found 2 solutions by josgarithmetic, Alan3354:Answer by josgarithmetic(39630) (Show Source):
You can put this solution on YOUR website! 40 mm = 400 cm
3000 mm = 3,000,000 m
Why is mistake common and how can you help her in the future?
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I didn't know it is common.
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When you see mm think millimeter. Ignore Roman numerals.