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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Uploaded 27-07-26Early measurement systems used body parts, which made converting between units very difficult. The French developed the metric system to create a consistent standard, using the meter as the base unit of length. Metric units change by powers of 10, which makes conversions simple. Smaller units are made by dividing by 10, and larger units are made by multiplying by 10.------------------Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here:https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc Learn more about your ad choices. Visit megaphone.fm/adchoices
