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Engineering, 08.11.2019 05:31 gstinson98

Strontium-90 with a half life of about 28 years. if we have 100 pounds how long is five half life? how much of radioactive strontium is left after five half life

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Strontium-90 with a half life of about 28 years. if we have 100 pounds how long is five half life?...
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