Are you wanting to have a good explanation?
1. because he is still a little rabbit and most times adults don't listen to children.
2. because he said lots of lies before
3. they could be busy with other things
4. they have their own problems to deal with
5. because rabbits don't talk lol, ignore this last one
The answer would be 300.60 rounded to nearest 10
343.42
_ 39.87
______
303.55
Etymology is the study of the history and origin of words