Question

you measured the mass of a dry powder on a balance to be 23.76 g. what would you report as the uncertainty of this measurement? answer: a ± 0.01 b ± 0.1 c ± 1 d ± 0.001

Explanation:

Step1: Identify significant figures

The measurement is 23.76 g. The last digit (6) is the estimated digit.

Step2: Determine uncertainty

The uncertainty is in the hundredths place for this measurement. So the uncertainty is ± 0.01 g.

Answer:

A. ± 0.01