Question

Total these measurements. Your answer should indicate the proper accuracy. Be sure to include the units in your answer. (Remember when adding figures, you need to round your answer so that it reflects the figure in the problem with the least amount of significant figures to the right of the decimal if a decimal is present).
2 cm
1 cm
5.3 cm

Answer 1

Your answer is 8. You add 2 + 1 + 5.3 to get 8.3. You round down to 8 because of the sig fig rules.