A microscope shows you an image of an object that is 140 times the object’s actual size. So the scale factor of the enlargement is 140. An insect has a body length of 6 millimeters. What is the body length of the insect under the microscope?
A. 840 centimeters
B. 8,400 millimeters
C. 84 millimeters
D. 840 millimeters

Question

A microscope shows you an image of an object that is 140 times the object’s actual size. So the scale factor of the enlargement is 140. An insect has a body length of 6 millimeters. What is the body length of the insect under the microscope?
  A. 840 centimeters 	
  B. 8,400 millimeters 	
  C. 84 millimeters 	
  D. 840 millimeters

anonymous · Answer

D ?

anonymous · Answer

One millimeter is (1/1000) meters
(6/1000)*140 = (21/25), or 840 millimeters