Please help. Which is correct: <br/><br/>Acetaminophen, 0.5 grams <br/>or <br/>Acetaminophen, 0.5 gram <br/><br/>They are read Acetaminophen zero point five grams/gram <br/><br/>The 0.5 is never refered to as five tenths of a gram. <br/><br/>Thanks for your help.