It's C. In order to be in standard form you have to have all your exponents in descending order. They don't all have to be there in order, the ones that are just have to go from highest to lowest.
Answer:
There are 4 boys for every 6 girls (4 : 6 ratio)
1043
x 52
--------
2086
52150
----------
54236
He/She will earn $54,236 a year
