What is the potential difference between two parallel plates 4.71 cm apart if the electric field is 8.31 x 104 V/m?

What is the potential difference between two parallel plates 4.71 cm apart if the electric field is 8.31 x 104 V/m?
3.91 kV
5.71 kV
4.67 kV
3.71 kV

2017-06-12T19:44:49Z

8.31 x 10^4

Colin2017-06-12T19:55:15Z

Volts = (volts/metre)*separation
8.31*10^4*4.71*10^-2
39.14*10^2
3914
3.914 kV