If I have 1.5 trillion US dollars and wanted to divide it up between 7 billion people (the world's population). How much would each person get?
We can use scientific notation here:
[ 1.5 x 1012 ] / [ 7 x 109 ] = [ 15 x 1011 ] / [ 7 x 109 ] ≈ 2.1428 x 102 ≈ $ 214.28