The half-life of caesium-137 is about 30 years. How long will it take a 15-milligram sample of caesium-137 to decay to 5
Posted: Tue Jul 12, 2022 12:46 pm
The half-life of caesium-137 is about 30 years. How long will it take a 15-milligram sample of caesium-137 to decay to 5 milligrams? Round your answer to the nearest tenth.