A radioisotope has a half-life of 5.00 min and an initial decay rate of 5500 Bq .
Part A. What is the decay constant?
Part B. What will be the decay rate at the end of 5.00 min.
Part C. What will be the decay rate at the end of 10.0 min.
Part D. What will be the decay rate at the end of 25.0 min.