What is the half‑life of an isotope that decays to 12.5% of its original activity in 34.7 hours? - Quora
![SOLVED: You are asked to determine the half life of an unknown isotope. You measure the activity at the beginning of the day and again 12 hours later and find that the SOLVED: You are asked to determine the half life of an unknown isotope. You measure the activity at the beginning of the day and again 12 hours later and find that the](https://cdn.numerade.com/ask_previews/c34bbb0b-ad12-43c1-b8a0-9f4aa2b69f79_large.jpg)
SOLVED: You are asked to determine the half life of an unknown isotope. You measure the activity at the beginning of the day and again 12 hours later and find that the
![17.6: Radiocarbon Dating: Using Radioactivity to Measure the Age of Fossils and Other Artifacts - Chemistry LibreTexts 17.6: Radiocarbon Dating: Using Radioactivity to Measure the Age of Fossils and Other Artifacts - Chemistry LibreTexts](https://i.ytimg.com/vi/4UPmy_XofMo/maxresdefault.jpg)