It is 20000.
18000
17.954 rounded to the nearest ones is 18
60
It is then 740 when rounded to the nearest ten.
36184 rounded to the nearest ten thousand is 40000. Rounded to the nearest thousand is 36000.
Rounded to the nearest ten it is: 564,630
5240
260
73127850
320
2602 rounded to the nearest ten is 2600.