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How many millimeters are contained in one meter?

  1. 1000 millimeters

  2. 10 millimeters

  3. 100 millimeters

  4. 10000 millimeters

The correct answer is: 1000 millimeters

One meter is equivalent to 1000 millimeters because the metric system is based on powers of ten. In the metric system, the prefix "milli-" indicates a factor of one-thousandth. Therefore, when converting meters to millimeters, you multiply the number of meters by 1000 to get the equivalent measurement in millimeters. Thus, there are 1000 millimeters in one meter, which reflects the fundamental principle of metric conversions where each unit is scaled by a factor of ten.