Which group of decimals is ordered from least to greatest.
a. 5.6, 5.9, 5.09, 5.96, 5.139
b. 0.112, 1.012, 1.3, 1.0099, 10.12
c. 2.8, 2.109, 2.72, 2.1, 2.719
d. 0.132, 0.23, 0.383, 0.3905, 0.392?