Welcome to Westonci.ca, the Q&A platform where your questions are met with detailed answers from experienced experts. Join our platform to connect with experts ready to provide precise answers to your questions in different areas. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

The table below shows the initial and final masses of a radioactive material in a container.
Initial mass (in kilograms) 0.8
Final mass (in kilograms) 0.05
Based on the table, which of these conclusions is correct?
The half life of the material is three years.
The half life of the material is four years.
The mass of the material was 0. 1 kilograms after four half lives.
The mass of the material was 0.1 kilograms after three half lives.​