two volumes of liquid are added to a flask. what is the total volume, reported to the appropriate number of…

two volumes of liquid are added to a flask. what is the total volume, reported to the appropriate number of significant figures?\n28.40 ml\n+ 6.3 ml\n? ml
Answer
Explanation:
Step1: Add the volumes
$28.40+6.3 = 34.70$
Step2: Determine significant - figures for addition
When adding, we look at the decimal place. 6.3 has one decimal place. So we round 34.70 to one decimal place.
Step3: Round the result
Rounding 34.70 to one decimal place gives 34.7
Answer:
34.7 mL