Vanadium Is an Ultratrace Metal in the Human Body with a Typical

Multiple Choice

Vanadium is an ultratrace metal in the human body with a typical concentration of approximately 17 ng/g body mass. How many milligrams of V are there in a person weighing 185 lb? 1 lb  454 g

A) 1.43 10^2 mg
B) 1.43 mg
C) 143 mg
D) 1430 mg
E) 14,300 mg