SOLUTION: The diameter of the Milky Way disc is approximately 9 x 10^20 meters. How long does it take light, traveling at 10^16 m/year to travel across the diameter of the Milky Way? tha

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The diameter of the Milky Way disc is approximately 9 x 10^20 meters. How long does it take light, traveling at 10^16 m/year to travel across the diameter of the Milky Way? tha      Log On


   

Question 76590: The diameter of the Milky Way disc is approximately 9 x 10^20 meters. How long does it take light, traveling at 10^16 m/year to travel across the diameter of the Milky Way?
thanks
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
9*10^20/10^16=9*10^4 years to cross.