The half-life of "Co is 5.27 years. The activity of an Co sample is 4.20x109 Bq. What is the mass of the sample? Express your answer with the appropriate units. View Available Hint(s) Ol O ? m= Value Units Submit Previous AnswersPart A What is the energy (in MeV) released in the alpha decay of Pa? Express your answer in megaelectron volts to three significant figures. AEd AE = MeV Submit Request AnswerFant A The half-life of "Co is 5.27 years. The activity of an "Co sample is 4.20*10 Bq. What is the mass of the sample? Express your answer with the appropriate units. View Available Hint(s) O HA ? m = Value Units