87.50
516.82
9.2 or, if you want to indicate that it is to the nearest hundredths, 9.20
It is already rounded to the nearest hundredths.
6.38
Yes.
346.77
62.71
3.324 rounded to nearest hundredths is 3.32
9.37
3.80
84172.00
486.13
87.50
30.45
232.88
5.10