Which of the following is correct:
1 millimeter = 0.001 meter
1000 millimeter = 1 meter
1 kilometer = 1000 meter
All are correct
1 mm is 1/1000 of a meter and 1 meter is 1/1000 of a kilometer.So all the following relations hold true.
1 millimeter = 0.001 meter
1000 millimeter = 1 meter
1 kilometer = 1000 meter