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Chemistry, 08.12.2021 20:20 tahlialafaye
7. Strontium-90 has a half-life of 29 years. In how many years will a 1 kg sample of strontium-90 decay and reduce to 0.25 kg of strontium-90? (4 points) 29 years 58 years 87 years 116 years
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7. Strontium-90 has a half-life of 29 years. In how many years will a 1 kg sample of strontium-90 de...
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