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A gram of radioactive material

A gram of radioactive material has a half-life of one year. After four years how much radioactive material will be left...0g,
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2. asked by Gina
3. 665 views
The half-life of a radioactive material is about 34.6 years. How much of a 1-gram sample of the material is left after 30 years?
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2. asked by Anonymous
3. 713 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. 111 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. 5 answers
2. 99 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. 185 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. 143 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. 104 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. 183 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. 108 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. 122 views