484.00
500 as 500 is nearer to 484 than is 400. If 50 or above, round up to the next highest number, if 49 or below round down to the lower number. 84 is above 50, so 484 is rounded up to 500.
346.77
It is then 23.68 when rounded to the nearest hundredths
62.71
8.47
3.324 rounded to nearest hundredths is 3.32
9.37
3.80
9.67
240.19
84172.00
837.36
14.74