Wang Wenhua, editor-in-chief of Happy Summer Homework, Jilin University Press. The third question on page 4 1, how to write it?

In 2002, the global information output recorded by paper, film, magnetic and optical storage media reached 5 trillion bytes, about twice the global information output of 1999. In other words, during the three years from 1999 to 2002, the world's information output increased at an average annual rate of about 30%.

What is the concept of 5 trillion? Researchers say that if the Library of Congress has 6.5438+0.9 million books and other printed publications as the standard, 5 trillion megabytes of information is enough to fill 500,000 libraries of Congress.

1. If a book is 0.5 cm thick, how many kilometers high are the books in the Library of Congress? How many kilometers does the 5 trillion trillion information generated by freshmen in a year turn into books?

The Oriental Pearl TV Tower in Shanghai is 468 meters high. How many books are there in the Library of Congress as tall as the Oriental Pearl TV Tower? How high is the Oriental Pearl TV Tower? The 5 trillion trillion trillion information generated by freshmen in one year turns into books.