Frances hits a cue ball into a rack of billiard balls, sending the balls in many different directions. After a few seconds, all the balls on the table stop
moving.

she forgot to record a transaction

to figure the total magnification of an image that you are viewing through the microscope is really quite simple. to get the total magnification take the power of the objective (4x, 10x, 40x) and multiply by the power of the eyepiece, (usually 10x)

not always but somethings can be reproduced in a laboratory.