1.81 4.525 13.032 18.1 131.044
That's correct.
Yes.
They are in the correct order.
You have them in the correct order.
community, organism, ecosystem and population
No.
greatest
0, 1, 2, 3, 4, 5, and so on, are integers listed from least to greatest. I suspect that more information is needed to this question before a correct answer could be given!
Traditionally, least to greatest.
least to greatest
Least to greatest.
< equals greatest and >equals least. <greatest >least.