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10 questions from this quiz
The smallest unit readable on it
Using multiple measurements
±12×precision\pm \frac{1}{2} \times \text{precision}±21×precision
±1\pm 1±1 mm
50.5 mm
19.5 cm
±Absolute errorMeasurement\pm \frac{\text{Absolute error}}{\text{Measurement}}±MeasurementAbsolute error
±Abs errorMeasurement×100%\pm \frac{\text{Abs error}}{\text{Measurement}} \times 100\%±MeasurementAbs error×100%
±2%\pm 2\%±2%
Shows how significant error is vs measurement size
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