It is 528 or 528.0, to be more precise.
5.3
500
It is already rounded to the nearest tenths.
19.125 rounded to nearest tenths is 19.1
Five rounded to the nearest tenths is 5.0
5.8
26.7
5.3
To the nearest ones = 8 To the nearest tenths = 8.0
7.0
98484.0
50.3
15.4
7.2