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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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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​

User Bhanu Birani
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A

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User Trialcritic
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