The answer that was posted for this answer was 5.667E1. I'm confused how to go through the process of this question.

Question 1 A charged sphere of 130 micro-C (left) with a surface area 20 cm^2 and a charged sphere of 40 micro-C (right) with a surface area 40 c^2 are separated by 20 cm on the x-axis. The two charges are brought into contact and then placed back in their original positions. What is the charge in micro-Coulombs on the left ball after contact? Round your answer to 3 decimal places