Hi All,
Please can you check my work if I am correct or on the right track. Please find the below question and the attached pdf that contains my detailed answers. I lack confidence in this section hence I need guidance and further help.
thank you in advance.

 

The procedure looks correct and you get the correct answer. So, I think you are ok.

 

The procedure looks correct and you get the correct answer. So, I think you are ok.

Yahooo, thanks very much.
I am very much excited this took me very long to research/study and work out.
I am glad its correct.