uiz Previous Page Next Page Page 5 of 8 Question 5 (3 points) Cobalt-60, with a half-life of 5.3 years, has a number of applications, including medical therapy and the sterilization of medical tools. Determine the mass of a 630 g sample that would remain after 15 months. Answer in grams. Answers within 3% of the true answer will be considered correct. Attach your work for full marks. Your Answer: 4 Answer units D Add attachments to support your work Previous Page Next Page Page 5 of 8 Submit Quiz 4 of 8 questions saved mation