When rounding 457 to the nearest ten, you look at the digit in the tens place, which is 5. Since 5 is greater than or equal to 5, you round up. Therefore, 457 rounded to the nearest ten is 460.
460
60
36,184 rounded to the nearest ten thousands place is 40,000.
Rounded to the nearest ten it is: 564,630
5240
460
500
300
500
640
460
60
It is then 740 when rounded to the nearest ten.
36,184 rounded to the nearest ten thousands place is 40,000.
260
73127850
Rounded to the nearest ten it is: 564,630