5 meters = 0.005 kilometers because kilo means 1000, so we divide 5 meters by 1000 to get 0.005
3 gram = 3000 milligrams because milli means 1000 also but you would multiply 3 by 1000 to get 3000
7 meters = 700 centimeters because centi means 100 and 100 times 7 equals 700