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Mathematics, 12.11.2020 08:20 lolo8787

Please help me! The reactivity of Radon-220 decreases with time.
After 224 seconds, the reactivity is 6.25% of its original value. Calculate the half life of Radon-220.

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Please help me! The reactivity of Radon-220 decreases with time.
After 224 seconds, the reacti...
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