Question

perform the following calculation and give the answer with the correct number of significant figures. 2.40 / 31

Explanation:

Step1: Perform division

$2.40\div31 = 0.0774193548\cdots$

Step2: Determine significant - figures

The number 31 has 2 significant figures. When dividing, the result should be reported with 2 significant figures. Rounding 0.0774193548\cdots to 2 significant figures gives 0.077.

Answer:

0.077