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A radioactive material has a half life of 7 minutes, how long until there is 5% of the material remaining?
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A radioactive material has a half life of 7 minutes, how long until there is 5% of the material remaining?

User Kun Ren
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1 Answer

5 votes
140 you can also use the percentages calculator
User VidulaJ
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8.2k points
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