Question 31 of 36intermediate🔧 ApplyNumerical3 marks
How many significant figures should be present in the answer of the following calculations? (i) ( × 0.112) / 0.5785 (ii) (iii) 0.0125 + 0.7864 + 0.0215
(i)
Answer
3
(ii)
Answer
1
(iii)
Answer
4
Explanation
For multiplication and division, the result must be reported with no more significant figures as in the measurement with the fewest significant figures. For addition, the result cannot have more digits to the right of the decimal point than either of the original numbers.