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Math

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Can someone explain to me the greatest possible error when finding the maximum and minimum possible lengths of something?? PLEASE!!!

  • Math -

    The error can be expressed as units, or as percentage.

    Say you have a somewhat accurate ruler, and you measure a board. You find a length of 3m, but the lines on the ruler are rather blurred, so there's a chance of a 2mm error either way.

    So, the actual length could be anywhere from 2.998m to 3.002m.

    Or, if you're using an electronic device, maybe its specs say that it's accurate to 1%.

    In this case, 1% of 3m = 3cm, so the real length could be from 2.97m to 3.03m.

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