A student was presented with a photomicrograph of a cell organelle. The magnification of the photomicrograph is known.
Which calculation of the actual length of the organelle in μm is correct?
1 )
actual size in cm × 100 divided by the magnification
2 )
actual size in mm × 100 divided by the magnification
3 )
image size in cm × 1000 divided by the magnification
image size in mm × 1000 divided by the magnification
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