18 is an integer, so no rounding is necessary. You can indicate the precision of the number, if you wish, using zeroes: 18.00.
The square root of 18 is approximately 4.2426. Rounding this to the nearest hundredth gives you 4.24.
0.07 is already to the nearest hundredth.
9.00
what is the nearest hundredth to 87.8
13.00 is at the nearest hundredth.
It is: 4.24 to the nearest hundredth
18.00
0.07 is already to the nearest hundredth.
4.89
9.00
what is the nearest hundredth to 87.8
It is 3.45 to the nearest hundredth
0.21 to the nearest hundredth.
It is 81.10 to the nearest hundredth
0.33 is at the nearest hundredth.
To the nearest hundredth it is 0.15
13.00 is at the nearest hundredth.