Write a division problem whose quotient has its first digit in the hundreds place

Quotient is another name for the answer to a division problem

the hundreds place is the 3rd number before the decimal, 9999999.0

^this one

so you need to find a division problem that equals something between 100 and 999

1000 divided by 10 is a good one, the answer to that problem is 100, and 100 has its first digit in the hundreds place.