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How to test a scale with coins
One way to how to test a scale with coins. This is a quick and easy way to check the accuracy of a scale. You will need a few coins of different denominations, such as a penny, nickel, dime, and quarter. To test the scale, place one coin on the platform and record the weight. Then add more coins and record the total weight. Keep adding coins until the scale tips over. The last coin you add before the scale tips is called the "tare" or "zero" weight. For example, if a penny weighs two grams, then