If you have pick it, then you should be offered choices and you should include them in the question.
The answer is 3.09
0.0003 would be 1/10 of 0.00003. If you divided 0.00003 by 10 you would get 0.0003. In fraction form it is 3/10,000
Hoped this helped.
They would each have to pay 1,500 dollars to purchased the house