A catering company orders 18 trays of food at $42 each. What… Questions A cаtering cоmpаny оrders 18 trаys оf food at $42 each. What is the total cost? Show Answer Hide Answer 0.0005 mg = 0.5 mcg. Show Answer Hide Answer 0.001 g =1000 mcg Show Answer Hide Answer Skip back to main navigation