6.48
It is 6.48, exactly as it appears in the question.
It's already there.
648 rounded to the nearest hundred is 600.
3.324 rounded to nearest hundredths is 3.32
9.37
6.22
0.80
650
648 rounded to the nearest hundred is 600.
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