A Hospital Patient Has Been Given a Sample of $8.04$ Days This Sample Is Decaying At a Sample

Multiple Choice

A hospital patient has been given a sample of , which has a half-life of $8.04$ days. This sample is decaying at $5.9$ times the acceptable level for exposure to the general public. How long must the patient wait for the decay rate of the sample to reach the acceptable level?

A) $8.9$ days
B) $9.9$ days
C) 21 days
D) 14 days