SOLUTION: The distance from a star to a planet is 3.1x10^18m. How long does it take light, traveling at 10^16m/year, to travel from the star to the planet?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The distance from a star to a planet is 3.1x10^18m. How long does it take light, traveling at 10^16m/year, to travel from the star to the planet?      Log On


   



Question 75550: The distance from a star to a planet is 3.1x10^18m. How long does it take light, traveling at 10^16m/year, to travel from the star to the planet?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
YOU NEED TO DIVIDE THE NUMERIC VALUES THUS:
3.1/1=3.1 NOW SUBTRACT THE EXPONENTS OF THE 10 VALUE THUS:
18-16=2 THUS WE HAVE AS A RESULT:
3.1*10^2
3.1*10^18/10^16=3.1*10^2 M/YEARS TO REACH THE THE PLANET.