Mars is 7.83 x 100 m from planet earth. The planet Earth is 5.98 x 102 kg while Mars has a mass of 6.42 x 10 kg. What is the gravitational attraction between the
two planets?

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )

Answer increases the risk of developing genetically influenced diseases;