It is 0.8200 because you round six up and you can go any more up from 9 so it rounds 1 up to 2
The Schengen Visa is appropriate because if you have one, you can travel to every country that is a member of the European Union, and those who aren't but have been granted the Schengen status. By obtaining it once, you can travel anywhere from the list without having to think about visas or borders or anything similar.
The answer is 4 I hope this helps mark me brainliest