Question 75550
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.