Will gave 20 what is the best estimate for the sum of 317.38+82.21? round each number to the nearest whole number. a.399b.400c.390d.410

The answer is B because when you add it normally it is 399.59 and when you round this answer you get 400 as the nearest whole number.

It could be anything, recent improvements in technology/telecommunication/internet have increased the pace of globalization.generally, it has something to do with technology. globalization means that people around the world are brought together through technology which speeds things up. so maybe some of those options could be correct. : )