Rounding in Addition and Subtraction

Add 2.334 mL and 0.31 mL.

Subtract 55.8752 m from 56.533 m.

When multiplying or dividing numbers, round the result to the same number of digits as the number with the fewest significant figures (the least certain value in terms of multiplication and division). You should apply this rule for two of the problems. Write N/A and proceed to the next question.

Multiply 2.334 cm and 0.320 cm.

What is the density of a liquid with a mass of 31.1415 g and a volume of 30.13 cm³?