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GCSE Biology · key term
A unit written without a prefix, such as metre, gram or joule. It can provide a convenient intermediate step when converting between prefixed units.
Used by OCR
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Interconverting UnitsWhen the relationship is not immediately obvious, convert to an unprefixed unit and then to the required unit.
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