addition and subtraction The answer must be truncated to the same least significant decimal place as the number with the least significant figure from the right.

Example: 8.9444 g +18.52 g -------- 27.46 g multiplication and division The answer has the same number of significant figures as the factor with the smallest number of significant figures.

Example: 8.9 g / 12.01 g/mol = 0.74 mol It is common to carry one additional significant figure through extended calculations and to round off the final answer at the end.Related topics:

- data handling

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