The dog weighing 20 pounds on the moon will weigh 3261.9 pound on the sun.
Explanation
Let the weight on moon be x
The weight on earth=602.5% of x
weight on sun=2707% of weight on earth=2707% of 602.5% of x
given,the dog weight on moon=20 pounds
Its weight on earth=602.5% of 20
Its weight on sun=2707% of 602.5% of 20
[tex]=(2707/100)*(602.5/100)*20\\ =3261.9 pound[/tex]