Leave it as it is 1.55 which is already in two decimal places
Rounded to two decimal places, sqrt(155) = ±12.45
8.588 rounded to two decimal places is 8.59.
It is already in two decimal places as 131.88
0.1717 rounded to two decimal places is 0.17
11.25 is already two decimal places.
22.238 rounded to two decimal places is 22.34
2.3432 rounded to two decimal places is 2.34
3.441239 rounded to two decimal places is 3.44
7.439 rounded to two decimal places is 7.44
29.7054 rounded to two decimal places is 29.71
4.0789
Leave it as it is because it is already in two decimal places