SOLUTION: 81 kilometers= how many millimeters?

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Question 12452: 81 kilometers= how many millimeters?
Answer by askmemath(368) About Me  (Show Source):
You can put this solution on YOUR website!
The word kilo indicates 1000
So 81Km = 81,000metres
1metre = 100centimetres
1centimetres = 10millimetres
So 81,00 metres = 81 x 1000 x 100 x 10 81x10^6 mm