how much heavier is a bag of coins with a mass of 360 grams than a bag of rice weighing 3 200 decigrams? A.40 grams B.40 decigrams C.0.4 kilograms D.400 milligrams
1 gram is equivalent to 10 decigram, so if you devide 3200 to 10 you'll get 320 grams that makes you able to substract it to 360 grams. and so it gives you the answer of 40 grams
