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Chemistry, 11.05.2020 13:57 greatsavagebeast

4. The half-life of strontium-90 is 28 years. If 140 years pass, how much if left of a
500 g
sample?

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4. The half-life of strontium-90 is 28 years. If 140 years pass, how much if left of a
500 g
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