SOLUTION: Could some one please show me how to solve this equation. I am not sure how to turn it in to an equation. The diameter of the milky way disk is approximately {{{9x10^20)}}}meters.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Could some one please show me how to solve this equation. I am not sure how to turn it in to an equation. The diameter of the milky way disk is approximately {{{9x10^20)}}}meters.      Log On


   



Question 93841: Could some one please show me how to solve this equation. I am not sure how to turn it in to an equation.
The diameter of the milky way disk is approximately 9x10%5E20%29meters. How long does ti take light, traveling at 10%5E16m/year to travel across the diameter of the milky way?

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
distance=rate*time so time=distance/rate ... t=(9x10^20 m)/(10^16 m/y) ... t=9x10^4 y