Aregular polygon has a perimeter of 36 inches. each side is exactly 6 inches long. which figure does this discribe?

Which expression is equivalent to the expression shown?

Find the solution on the interval [0, 2pi)

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?