Question:
Suppose a sample of a certain substance decayed to 69.8% of its original amount after 300 days.
Last updated: 8/14/2022
![Suppose a sample of a certain substance decayed to 69.8% of its original amount after 300 days.](https://media.kunduz.com/media/sug-question/raw/77573410-1660489513.3901932.jpeg?h=512)
Suppose a sample of a certain substance decayed to 69.8% of its original amount after 300 days. (Round your answers to two decimal places.) (a) What is the half-life (in days) of this substance? days (b) How long would it take the sample to decay to one-third of its original amount? days