Question:
The half life of a radioactive substance is 20 minutes The
Last updated: 6/25/2023
The half life of a radioactive substance is 20 minutes The approximate time interval 1 1 between the time t when 2 3 of it has decayed and time t when 1 3 of it has decayed is a 7 min c 20 min b 14 min d 28 min