What is the approximate weight of a 20-kg cannonball on earth? a. 2 n b. 20 n c. 200 n d. 2000 n? October 13, 2019// Blog// What is the approximate weight of a 20-kg cannonball on earth? a. 2 n b. 20 n c. 200 n d. 2000 n? Tagged: 20kg , approximate , cannonball , Earth , weight Related Posts Jessica has seven times as many paintbrushes as mike mike has 14 paint brushes how many paintbrushes does jessica have Jennifer earns $5.50 an hour for babysitting.edward earns 1.8 times as much for mowing lawns.explain how you can tell whose hourly rate is higher without calculating.then find how many hours each one has to work to make at least $50.00 How long must pharmacists maintain records of immunizations?