Final answer:
The metric system of measurement, developed in France during Napoleon's reign, is based on a multiplication factor of 10. This decimal system makes conversions between units simple and easy to understand.
Step-by-step explanation:
The metric system of measurement was developed in France during Napoleon's reign and is based on a multiplication factor of 10. The metric system uses a decimal system, where all units are based on multiples of 10. This makes conversions between different units simple and easy to understand. For example, when converting from centimeters to meters, you simply divide by 100 because there are 100 centimeters in a meter.