2. Susan measured her height as1.42 m using a measuring tape marked in centimetres. a) Write Susan's height an: measured value measurement uncertainty.(2)

a) Susan's height can be written as:<br /><br />* **Measured value:** 1.42 m (or 142 cm)<br />* **Measurement uncertainty:** ± 0.5 cm <br /><br />Since the measuring tape is marked in centimeters, the smallest division is 1 cm. The uncertainty is generally taken as half the smallest division, which in this case is 0.5 cm. Therefore, the complete measurement is 142 cm ± 0.5 cm, meaning the true value likely lies between 141.5 cm and 142.5 cm.<br />