OCR GCSE Chemistry B · J258
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Prefixes and standard formA prefix attached to an SI unit represents a fixed power of ten.
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GCSE Chemistry · key term
A whole-number power of ten, such as , or .
Used by OCR
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Prefixes and standard formA prefix attached to an SI unit represents a fixed power of ten.
A negative power of ten means a small positive number, not a negative number.
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