How do you calculate total magnification of a microscope

To get the total magnification take the power of the object (4X, 10X,40x) for example and multiply by the power of eyepiece, usally 10X

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

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