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Solution: The half-life of iodine-131 is 8.04 days. Calculate the perc...

Question

The half-life of iodine-131 is 8.04 days. Calculate the percent of an iodine sample left after exactly 2 days.

 

a) 84.2%

b) 82.0%

c) 67.2%

d) 6.17%

e) 57.5%