1-nm-thick cell membrane undergoes

A 9.1-nm-thick cell membrane undergoes an action potential that follows the curve 

Part A

What is the strength of the electric field inside the membrane just before the action potential?

Express your answer to two significant figures and include the appropriate units.

E = ______ Units

Part B

What is the strength of the electric field inside the membrane at the peak of the depolarization?

Express your answer to two significant figures and include the appropriate units.

E = ______ Units