Round off 19503 to the nearest tens
To round off 19503 to the nearest tens, you need to look at the digit in the ones place.
In this case, the digit in the ones place is 3. Since 3 is less than 5, you should round down.
To round down, you simply replace the digits to the right of the tens place with zeros.
Therefore, rounding off 19503 to the nearest tens gives you 19500.