a) 2.5 < 2.6 < 2.7

b) 1.7 < 1.8 < 1.9

c) 13.04 < 13.05 < 13.06

d) 4.12 < 4.13 < 4.14

e) 3.113 < 3.114 < 3.115

f) 71.14 < 71.16 < 71.17

g) 181. 21 < 181.22 < 181. 24

h) 3.287 < 3.288 < 3.289