Final answer:
Jorgen should go to section b. 400 to learn more about the letters of the Greek alphabet and the meaning of the word "beta."
Step-by-step explanation:
The Dewey Decimal Classification system categorizes knowledge into different sections, and in this case, the relevant section for learning about the letters of the Greek alphabet and the meaning of the word "beta" is 400, which is the Languages section. The 400 section includes information about linguistics, languages, and writing systems. Since the Greek alphabet and the word "beta" are related to language and writing, Jorgen would find relevant resources in the 400 section of the library.
Choosing the correct Dewey Decimal section ensures that Jorgen can efficiently locate information on his specific topic of interest. In the 400 section, he would likely find materials discussing the Greek alphabet, its letters, and the cultural or historical significance of terms like "beta." This organized classification system assists library users in navigating vast amounts of information and accessing resources related to their specific inquiries.