I need a little math help - that is to say that Engineering Math was a long time ago and I have forget lots and lots and lots.......
I think this is how the numbers work out:
4.8 Trillion = 4.8 X 10 (to the) 12th
90 Million = 90 X 10 (to the) 6th
4.8 X 10 (to the) 12 divided by 90 X 10 (to...