The rule when rounding off numbers is "If the first figure to be discarded is 5 or more then the previous figure is increased by 1".
The first figure to be discarded is 4. As this is less than 5 then the previous figure (7) remains unchanged.
2.8749 to the nearest hundredth is 2.87
4.20
0.07 is already to the nearest hundredth.
4.89
0.33 is at the nearest hundredth.
It is 3.45 to the nearest hundredth
It is 81.10 to the nearest hundredth
what is the nearest hundredth to 87.8
0.44 to the nearest hundredth.
13.00 is at the nearest hundredth.
To the nearest hundredth it is 0.15
0.21 to the nearest hundredth.
It is already to the nearest hundredth as 9.69