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Physics, 19.05.2021 21:30 anna2894

How many grams of cobalt-60 will remain after three half-lives? A.2.50 g B.30 g C.1.25 g D.180 g​

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How many grams of cobalt-60 will remain after three half-lives? A.2.50 g B.30 g C.1.25 g D.180 g​...
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