Hey There @Bre18016,
The answer is
The greatest value of 2,463.9051 would be the thousands place (2) simply as it is the biggest number out of the other places.
For instance, if we had the number 300, 3 would be the greatest value.
Or let's say we had 10,000 the 1 would be the greatest value.
Furthermore, you could look at the first digit in the entire number to deter mine the greatest value.