What would you report for the total mass of three samples weighing 106.2 g, 33.15 g, and 0.028 g?
A)139 g
B)139.3 g
C)139.4 g
D)139.38 g
E)139.378 g

Question

Quizplus · Accepted Answer

The total mass should be reported with the same number of decimal places as the measurement with the fewest decimal places, which is 106.2 g (one decimal place). Therefore, the sum 139.378 g should be rounded to 139.4 g.

What Would You Report for the Total Mass of Three