If the digit immediately to the
right of the last significant figure you want to retain is: Greater than 5, increase the last digit by 1.
Less than 5, do not change the last digit.
5, followed by nonzero digit(s), increase the last
digit by 1.
5, not followed by a nonzero digit and preceded by
odd digit(s), increase the last
digit by 1.
5, not followed by nonzero digit(s), and the
preceding significant digit is even, do
not change the last digit.
|
56.87 g --> 56.9 g
12,02 L --> 12.0 L
3.7851 --> 3.79
2.835 s --> 2.84 s
2.65 mL --> 2.6 mL
|