Question

Which of the following measurements (of different masses) is the most precise?
A. 3.1000 g
B. 3.100 00 g
C. 3.122 22 g
D. 3.000 000 g

Answer 1

The measurement that is the most precise would be D. As it contains the greatest number of significant figures compared to the rest.

Answer 2

"3.000 000 g" is the one among the following choices given in the question that is the most precise. The simple reason being that this number has the maximum number of numbers after decimal. The correct option among all the options that are given in the question is the fourth option or option "D". I hope it helps you.