When magnified 1,000 times by an electron microscope, the image of a certain circular piece of tissue has a diameter of 1 centimeter. The actual diameter of the tissue, in centimeters, is
Choose the correct choice from the following answers:
A) 0.005 B) 0.002 C) 0.001 D) 0.0005 E) 0.0002

Rationale: "it is very easy if x is the diameter , then the magnified length is 1000 x . ince 1000 x = 1 then x = 1 / 1000 = 0.001 . the answer is c"
Answer: C