Jon and Becky measured the circle-shaped part of a sun they drew on the sidewalk. The diameter of the circle is 60 centimeters. What is the approximate area of the circle? (Use 3.14 for .)
A.
11,304 cm2
B.
2,826 cm2
C.
188.4 cm2
D.
706.5 cm2

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?