Well, let's take a moment to appreciate the number 457. When we round it to the nearest ten, we look at the digit in the tens place, which is 5. Since 5 is halfway to the next ten, we round up to 460. Just like adding a happy little touch to a painting, rounding can give our numbers a nice, smooth finish.
If you mean 278,447 then it is 280,000 to the nearest ten thousand
460
60
36,184 rounded to the nearest ten thousands place is 40,000.
2602 rounded to the nearest ten is 2600.
460
If you mean 278,447 then it is 280,000 to the nearest ten thousand
500
640
460
300
500
60
It is then 740 when rounded to the nearest ten.
36,184 rounded to the nearest ten thousands place is 40,000.
2602 rounded to the nearest ten is 2600.
320