# After 3 days a sample of radon-222 decayed to 58% of its original amount. How long...

###### Question:

After 3 days a sample of radon-222 decayed to 58% of its original amount. How long would it take the sample to decay to 25% of its original amount? Select the correct answer. O t = 11.45 days t = 32.53 days t = 2.54 days t = 7.63 days Ot - 5.09 days none of those

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