Question

What is the half-life for I-131 in hours? show workThe half-life for I-131 is 8 days

Answer 1

We know that there are 24 hours in 1 day. We will use that conversion to go from days to hours.

1 day = 24 hours

half life = 8 days = 8 days * 24 hours/(1 day)

half life = 192 hours

Answer: the half-life for I-131 is 192 hours.