Biology A-Level
Rounding conventions in calculations
What Rounding conventions in calculations means in Biology A-Level, as defined for OCR.
Definition of Rounding conventions in calculations
Check what you remember
Read the wording for your board, then hide it and explain Rounding conventions in calculations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
When multiplying or dividing, the answer takes the smallest number of significant figures in the inputs; when adding or subtracting, it follows decimal places.
Topics that use Rounding conventions in calculations
- Analysis (OCR A-Level)
Related terms
- Accurate arithmetic and significant figures
- Constant, readable scale choice
- Dependent variable
- Independent variable
- Intercepts and axis origin
- Precision and resolution of measurements
- Rules for identifying significant figures
- Selecting the appropriate operation
Using Rounding conventions in calculations in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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