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Home Q & A Board Science-Related Homework Help Physics
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tankster tankster
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7 years ago
The activity of a sample reduces from 7.55 × 109 Bq to 5.11 × 109 Bq in 5.50 months.
(a)   What is the half life?
(b)   How many months must one wait for the activity to decrease to 10%?
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Physics

Physics


Edition: 4th
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longhairlonghair
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tankster Author
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7 years ago
This calls for a celebration Person Raising Both Hands in Celebration
veronee_madison
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
zbmallo3
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2 hours ago
Thanks for your help!!
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