OCR GCSE Chemistry A · J248
Specification CM2.1ii, CM3.1iii, CM5.1ii · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Significant FiguresRounding can produce a carrying effect.
- Revise: Significant Figures
Replacing a number with a nearby value written to a specified level of precision.
- Revise: Significant Figures
Changing a number to a stated level of precision by using the next digit to decide whether the final retained digit stays the same or increases by one.