Please help me with the following and make sure its correct, explain. please and thank you

Question 1;

Part A.

A-4.0nCnCpoint charge is located at(8.0mm, 0), and a-16nCnCpoint charge is located at(0,5mm).What is the magnitude of the net electric field at the origin?

Express your answer with the appropriate units.

Part B.

What is the direction of the net electric field at the origin? Find the angle measured from the positivex?axisto the net electric field.

Express your answer in degrees.

V PartA A -4.0 DC point charge is located at (8.0 m, 0), and a -16 11C point charge is located at (0, 5 In). What is the magnitude of Be sure to review Example 17.7 before attempting the net electric field at the origin? these problems. Express your answer with the appropriate units. E= Value Units m muestAnswer V PartB What is the direction of the net electric field at the origin? Find the angle measured from the positive an axis to the net electric field. Express your answer in degrees