The distance between two parks on a city map is 1.8 inches. the actual distance between the parks is 2 miles. in the same city, the distance from the library to the post office is 0.8 mile. what is the distance between the library and the post office on the map?

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?