84100
84100
84100
84100
84100
The two numbers, in the tens, on either side are 84090 and 84100. The second is nearer.
60
It is 84100.
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