Jack wants to use a circular rug on his rectangular office floor to cover two small circular stains, each less than π 100 square feet in area and each more than 3 feet from the nearest wall. can the rug be placed to cover both stains?
(1) jack's rug covers an area of 9π square feet.(2) the centers of the stains are less than 4 feet apart.

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?