Question

Mitch needs four 10 gram samples of NaCl (Sodium Chloride) for an experiment. Mitch is using a balance that measures to 1/10 of a gram. Which is the most accurate measurement based on the limitations of the balance that might be found in his recorded data?

Answer 1

the complete question in the attached figure

The answer is the option A 9.9 grams
because the balance is accurate to the nearest 1/10 gram; thus, the highest level of accuracy appropriate to the limitations of the balance is 0.10 gram (1/10)