Answer:
1.1512, 2.1, 2.106, 2.16
Explanation:
1.1512 is the lowest cause it starts with 1
then 2.1 cause it has no more numbers to make it larger than the last two
then 2.106 because there is a 0 separating the 1 and 6 which makes the number smaller
which leaves you with 2.16 as the lasrgest