Question

perform the calculation. 3.5 atm × 13.05 l ÷ 0.50 atm write your answer with the correct number of significant figures. round if necessary.

Explanation:

Step1: Perform multiplication first

$3.5\times13.05 = 45.675$

Step2: Perform division

$45.675\div0.50=91.35$

Step3: Determine significant - figures

The number 3.5 has 2 significant figures, 13.05 has 4 significant figures, and 0.50 has 2 significant figures. In multiplication and division, the result should have the same number of significant figures as the number with the fewest significant figures among the values used in the calculation. So, we round 91.35 to 2 significant figures.
$91.35\approx91$

Answer:

91