Question

for i-131 half-life is 8 days the activity of an 8 microgram sample of i is

Answer 1

Explanation:

In essence, the half-life tells you at what time intervals you can expect an initial sample of a radioactive isotope to be halved. In your case, iodine-131 is said to have a half-life of 8 days. This means that with every 8 days that pass, your sample of iodine-131 will be halved

Answer 2

Answer: The activity of 8μg sample of I is approximately 3.21 × 10¹⁵ days^-1

Explanation: Given in the Attachment