(Solved): A chemist needs to know the mass of a sample of potassium sulfate to 2 significant digits. He puts ...

A chemist needs to know the mass of a sample of potassium sulfate to 2 significant digits. He puts the sample on a digital scale. This is what the scale shows If this measurement is precise enough for the chemist, round it to 2 significant digits. Otherwise, press the "No solution" button.