The Radioactive Isotope Bismuth-210 Has a Half-Life of 5 Days

question 109

Multiple Choice

The radioactive isotope Bismuth-210 has a half-life of 5 days. How many days does it take for 87.5% of a given amount to decay?

• A)15
• B)8
• C)10
• D)13
• E)11
• F)9
• G)12
• H)14

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