Question

The chart displays the rate of radioactive decay for iodine-131.



According to the graph, what is the period of half-life for iodine-131?

(1 point)
Responses

16 days
16 days

24 days
24 days

8 days
8 days

4 days
4 days
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GPT-4o mini
The half-life of iodine-131 is known to be approximately 8 days. Therefore, based on common scientific knowledge, the period of half-life for iodine-131 is **8 days**.

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