The reason the plural of Goose is Geese (same with tooth/teeth) but the plural of Moose is still Moose, is because the aforementioned comes from the Latin language while the latter comes from Native American languages, so it doesn’t follow the same rules as most other words.
I think it's 10^8 instead of 108. That way it would make sense.
#4 somehow doesn't make any sense
The national nut is Trump
Technically, everything you see & hear is from the past.