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How many meters are in one kilometer?

  1. 100

  2. 500

  3. 1000

  4. 1200

The correct answer is: 1000

A kilometer is a metric unit of measurement that is equal to 1,000 meters. This relationship is foundational in the metric system, which is based on powers of ten. Therefore, when converting kilometers to meters, you multiply the number of kilometers by 1,000, showing that there are precisely 1,000 meters in one kilometer. This direct conversion factor emphasizes the simplicity and consistency of the metric system, allowing for straightforward calculations and conversions between different metric units.