Biology (0610) Magnification Revision Note
Hestia Laurent
CAIE IGCSE Biology – Magnification (Alt to Practical): how to calculate M = image size ÷ actual size, with reverse formulas, correct “×” notation, and quick metric conversions (m ↔ cm ↔ mm ↔ µm). 
Ideal for fast revision when measuring diagrams/photos versus real specimen size. 
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