volume_mute
Mixed Operations
publish date: 2026/05/21 19:52:41.485979 UTC
volume_mute
Express the answer for \(3.445 + 90.83 - 72.4\) using the correct significant figures.
Correct Answer
21.9
Explanation
The calculation must be rounded to the tenths place because 72.4 has only one decimal place.
Reference
Beginning Chemistry v. 1.0