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. (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