Water and vitamin C were added to a beaker. Calculate the mass of the beaker and its contents, and choose the answer with the appropriate number of significant figures.
146.20 g beaker + 23.1 g water + 0.34 g vitamin C =

Question

Quizplus · Accepted Answer

The least precise measurement is 23.1 g of water, which has two decimal places. Therefore, the final answer should be rounded to the tenths place, making 169.6 g the correct choice with the appropriate number of significant figures.

Water and Vitamin C Were Added to a Beaker