Can someone solve this please?

Question 3 oflO -/ 10 E View Policies Current Attempt in Progress The plates of a spherical capacitor have radii 37.7 mm and 39.9 mm. (2) Calculate the capacitance (b) What must be the plate area of a parallelrplate capacitor with the same plate separation and capacitance? (a) Number a Units v (b) Number n Units V eTextbook and Media Save for Later Attempts: 0 of 3 used Submit