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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Uploaded 27-07-26Precision is the amount of detail in a measurement. Accurate measurement depends on choosing the right tool and reading it correctly. You should always estimate one digit beyond the smallest marked division. Every measurement includes some uncertainty because the last digit is estimated, and more precise tools reduce that uncertainty.------------------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
