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Mathematics

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Approximately how long does it take a sample of francium-223 to decay by 50%?

A. 80 minutes
B. 100 minutes
C. 20 minutes
D. 40 minutes

Approximately How Long Does It Take A Sample Of Francium223 To Decay By 50 A 80 Minutes B 100 Minutes C 20 Minutes D 40 Minutes class=

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B. 100 minutes correct me if i’m wrong

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