It was written correctly :)
Answer: Celular which means Phone in English.
Explanation:
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The students of the UNAM do not live (live) a very large university. 74 study courses. in student residences. the biggest (biggest) city in Latin America. 2. Mexico, D.F. It is a very big university. 74 study courses. in student residences. the biggest (biggest) city in Latin America. 3. The UNAM is a very large university. 74 study courses. in student residences. the biggest (biggest) city in Latin America. 4. The UNAM offers a very large university. 74 study courses. in student residences. the biggest (biggest) city in Latin America.
I translated I hope it was somewhat helpful to understand.
Los estados unidos es un país en America del norte (the United States is a country in North America)