[单选题]
A compound microscope has an objective jt3exj.4hnmw rv ;46rif7:od with a focal length of uceeakdjs9 /iq/(a8 -q (vt0h3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 8qt //vsec (je akih09(uqd a-cm, what is the total magnification?
