# Actinium-226 has a half life of 29 hours. If 100 mg of actinium-226 des integrates over a period of 116...

**Skyboo**

Actinium-226 has a half life of 29 hours. If 100 mg of actinium-226 des integrates over a period of 116 hours, how many mg of actinium-226 will remain?

- 9 years ago
- 999999.99

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