Answer:
Half life of sample = 5.23 days
Step-by-step explanation:
We have half life of a radio active material
[tex]t_{1/2}=\frac{ln2}{k}[/tex]
Decay constant is given k = 0.1325 day⁻¹
[tex]t_{1/2}=\frac{ln2}{0.1325}=5.23\boldsymbol{\texttt{ days}}[/tex]
Half life of sample = 5.23 days
