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Chemistry, 30.01.2020 03:50 mullanebrianot3dpw
Asample of strontium-90 is found to have decayed to one-fourth of its original amount after 58.2 years. what is the half-life of strontium-90?
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Asample of strontium-90 is found to have decayed to one-fourth of its original amount after 58.2 yea...
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