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?
A actual size in cm × 100 divided by the magnification
B actual size in mm × 100 divided by the magnification
C image size in cm × 1000 divided by the magnification
D image size in mm × 1000 divided by the magnification