Understanding Uncertainty in Measurements

📏 Every measurement has some uncertainty.

🔍 To determine uncertainty, divide the smallest division by 10.

🔢 The uncertainty determines the number of decimal places in the measurement.

📏 Uncertainty in measurements is an important factor to consider.

🔢 Measurement uncertainties can be expressed as a range of values.

⚖️ The uncertain digit in a measurement determines the level of uncertainty.

📏 One way to calculate uncertainty is by determining the range of measurements, such as from 25.99mm to 26.01mm.

📊 Percent uncertainty can be calculated by dividing the uncertainty by the measured value, multiplied by 100.

🔢 For example, a measurement of 2.54cm with an uncertainty of 0.01cm would have a percent uncertainty of 0.4%.