Significant figures — Science definition
Digits used to communicate the precision of a measurement.
Where it is taught
- Measurement, Units & Experimental Evidence — Investigating Matter, Physical Science: Chemistry, Grade 11
Questions using significant figures
Problem 1
Convert 0.0350 kg to grams and preserve significant figures. Show the reasoning, not just the conclusion.
Hints
Unit conversion and significant figures are different checks.
Answer and explanation
35.0 g; the exact conversion factor 1000 g/kg does not reduce the three significant figures.