Respuesta :

Answer:

  1. The mean is 6,082,560,000
  2. Atlas

Step-by-step explanation:

  1. If you add up all the numbers then divide it by the amount of numbers you added then you will get the mean. In this case, I added all the numbers then I divided that by 3.
  2. A reference book of maps is called an Atlas.

Hope I helped!