Let Q represent a mass of radioactive radium (226Ra) (in grams), whose half-life is 1599 years. The quantity of radium present after t years is 0=5 17/1599 2 Determine the quantity present after 300 years. Round to the nearest hundredth of a gram. 4.39 g 0g 0.88 g 0.47 g 5.00 g