What is 3490 rounded to the nearest thousands hundreds and tens?

Well, let's take a moment to appreciate the beauty of rounding numbers. If we're rounding 3490 to the nearest thousand, it becomes 3000. When we round it to the nearest hundred, it becomes 3500. And finally, when we round it to the nearest ten, it remains 3490. Remember, there are no mistakes in rounding, just happy little adjustments.