Ask a New Question

a radioactive material is undergoin

a radioactive material is undergoin nuclear decay. After 40 minutes, 25% of the sample remains. What is the half life of the
1. 7 answers
2. asked by star
3. 778 views
The half-life of a certain radioactive material is 38 days. An initial amount of the material has a mass of 497 kg. Write an
1. 2 answers
2. asked by Latanya
3. 4,196 views
8.The half-life of a certain radioactive material is 71 hours. An initial amount of the material has a mass of 722 kg. Write an
1. 5 answers
2. asked by emily
3. 4,285 views
6.The half-life of a certain radioactive material is 32 days. An initial amount of the material has a mass of 361 kg. Write an
1. 0 answers
2. asked by emily
3. 2,714 views
The half-life of a certain radioactive material is 42 days. An initial amount of the material has a mass of 49 kg. Write an
1. 1 answer
2. 84 views
The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg. Write an
1. 1 answer
2. 90 views
The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg. Write an
1. 1 answer
2. asked by Brandon Thorne
3. 175 views
The half-life of a certain radioactive material is 42 days. An initial amount of the material has a mass of 49 kg. Write an
1. 1 answer
2. 94 views
The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg. Write an
1. 1 answer
2. 105 views
The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg. Write an
1. 1 answer
2. 146 views