Given: Vector P =<9,9>
Vector Q =< -7,0>
Vector B =< -2,5 >
Vector D =< -10, -3>
Find < P+D > • .

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?