What Is the Minimum Uncertainty in Determining the Position of an Electron

Multiple Choice

What is the minimum uncertainty in determining the position of an electron if the speed of the electron is 6000 m/s within an accuracy of 0.004%?

A) 0.105 mm
B) 0.153 mm
C) 0.241 mm
D) 0.335 mm
E) 0.483 mm