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GCSE Combined Science · key term
Replacing a number with a nearby value expressed to a chosen number of significant figures or decimal places.
Used by OCR
Specification WS1.4f · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2
Revise: Significant FiguresRounding can carry into an earlier digit. If that happens, check that the final written answer still shows the requested number of significant figures.
Specification M2 · Biology, Chemistry, Physics, Combined Science
Replacing a number with a nearby value expressed to a chosen number of digits or place value.
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Rounding can carry into another column. To three significant figures, 3.997 rounds to 4.00. Both zeros must remain to show the requested three significant figures.
