A set of exam scores is normally distributed and has a mean of 79.1 and a standard deviation of 7.2. You choose a random score from the data set and the probability of getting a score less than or equal to this is 0.2296. help plz

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?