[单选题]
A compound microscope p- r:7r+nmj4ahh1zd v,6qrek em2g f)0 w-r4oarc)dkhas an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are segd-)ar wkform) 42e0c parated by 40.0 cm, what is the total magnification?
