I have solved most of this but I have been given the oppertu

I have solved most of this but I have been given the oppertunity to get extra credit if it\'s 100% correct so I would greatly appreciate some help to ensure I didn\'t veer away from the correct answers.

Solution

Sometimes the solution may not be 100% correct depending upon the changing surroundings . This means that the system can be dynamic in nature. So, in order to get full 100% correct answer ensure that you have covered the all data given in the question. Now cross check the obtained answer with the given data in the question. Sometimes the question may not contain full data that is required for finding the solution.