It is 1.62.
Although many schools teach you to round 5 up, the IEEE (Institute of Electronic and Electrical Engineers) standard 754 is to round 5 up or down so that the new last digit is even. See link for more. //en.wikipedia.org/wiki/Rounding#Round_half_to_evenThe problem with always rounding up from 5 (or more is that it introduces an upward bias.
It then is 16.11 rounded to the nearest hundredth
16.64
0.09
1.54
12.04
It is 1.54 rounded to the nearest hundredth
It then is 16.11 rounded to the nearest hundredth
It is already to the nearest hundredth as 9.69
16.64
0.09
1.54
12.04
0.61
2.81
66.33
1.24
74.01