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What percent of my Iodine-131 sample will be left after 7 half-lives?
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5 votes
What percent of my Iodine-131 sample will be left after 7 half-lives?

User Olovb
by
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1 Answer

6 votes

Answer:

0.78125%

Step-by-step explanation:

(1/2)^7 = 1/128 = 0.78125%

User Nelaaro
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