Answer:
1.6, 1.64, 16.099, 16.4
Explanation:
Add a 0.
1.60, 1.64, 16.099, 16.40
The ones are of lesser value because they only have one whole number, and the 16.099 is less than 16.40 because it has that 0 in front of the nines.
Sorry, I'm not the best at explaining.