Significant Figures

Step 1: Rounding to three significant figures. The first three significant digits are . The next digit is . Using the round-to-even rule, since the last retained digit is even, it remains unchanged.
Step 2: Rounding to three significant figures. The first three significant digits are . The next digit is . The last retained digit is odd, so it is increased by 1.
Step 3: Therefore, the rounded values are: