✔ 最佳答案
This is simple I think.
42365
The 3 would be the hundreds place.
The 2 would be the thousands place.
The 4 is the ten thousands place.
So it would be 4 and the number after that is 2 so you would round down to 40,000.
This is simple math really. I learned to do this in the 3rd grade.