The Half-Life of Is Bromine-80 Is 17

question 22

Multiple Choice

The half-life of is bromine-80 is 17.6 min. Approximately how long will it take for the activity of this isotope to drop from to 320 mCi to 10 mCi?

• A)70 min
• B)106 min
• C)53 min
• D)88 min
• E)123 mi

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