A conducting sphere has a net charge of -4.8x10-17 C. What is the approximate number of excess electrons on the sphere?

The number is  

Explanation:

From the question we are told that

   The  net charge is  

Generally the charge on a electron is

Generally the number of excess electrons is mathematically represented as

=>  

=>  

d.7.5cm is your answer

graph question answered .. you think better when you are relaxed and happy