Question
Iodine-131's half-life is 8.0 days. Ten percent of the original sample of this isotope remains after (a) 22.7 days; (b) 24.9 days;(c) 26.6 days;(d) 28.1 days.
Step 1
0 days. This means that every 8.0 days, the amount of Iodine-131 is halved. Show more…
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