Question

question
perform the following calculation and give the answer with the correct number of significant figures.
2.40 / 31
answer
0.07742
you were sure and incorrect
0.0774
0.077
0.08
0.078
i dont know yet

Explanation:

Step1: Perform the division

$2.40\div31\approx0.077419$

Step2: Determine significant - figures

31 has 2 significant figures. When dividing, the result should be reported with 2 significant figures. Rounding 0.077419 to 2 significant figures gives 0.077.

Answer:

0.077