Physics

Problem

A short-lived medical isotope is administered to a patient. After

48\,\text{h}

, measurements show that only

35\%

of the initial activity remains. The patient may be released once the activity falls to

10\%

of the original value. Approximately how many additional hours must pass before the patient can be released? a)

63\,\text{h}

57\,\text{h}

106\,\text{h}

44\,\text{h}