Question

Suppose that your bathroom scale reads your mass as 68 kg with a 3% uncertainty. What is the uncertainty in your mass, in kilograms?

Answer 1

To calculate the uncertainty in your mass, first we need to determine 3% of your mass.

3% of 68 kg can be found by multiplying 68 kg by 0.03 (which is the decimal equivalent of 3%).

0.03 * 68 kg = 2.04 kg

Therefore, the uncertainty in your mass is 2.04 kg.