Answer:
The 2 at the beginning of the number is in the hundred thousands place while the other 2 is in the thousands place.
Explanation:
Starting at the number on the far right, you go up in place value to the left.
212,45(3) - ones
212,4(5)3 - tens
212,(4)53 - hundreds
21(2),453 - thousands
2(1)2,453 - ten thousands
(2)12,453 - hundred thousands