Find the incorrect sentences 1. 80 percent of all information in the world's computers is in english 2.there are 500.000

1) Correct. Properly saing 90% of all information in the world is in English, 80% in internet and 70% of scientific publications.2) Correct. Oxford dictionary includes 500 000 words. 3) Incorrect. English is the oficial language in 94 countries in the world.4) Incorrect. There are 1,5 billion people in the world who can speak English. Only 500 mln among them speak it as native one.So, the answer is B) 3 and 4