Question

Select the answer with the correct number of significant figures for each calculation. 31.580 + 4.26 = 35.8 35.84 35.840

Answer 1

Answer: 35.84

Explanation: Look at the most uncertain number and your sum should have the same number of decimal places as that. In this case it is 4.26 which as 2 numbers following the decimal point, so your answer should too.