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Mathematics, 24.12.2020 16:20 pearljammarow6ujs
An accident in a laboratory results in a room being contaminated by a radioisotope with a half-life of 8 days. If the radiation is measured to be eight times the maximum permissible level, how much time must elapse before the room is safe to enter?
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An accident in a laboratory results in a room being contaminated by a radioisotope with a half-life...
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