Asked by George
The half life of iodine - 131 is 8 days. How long will it take for 7/8 of the sample to decay?
Answers
Answered by
bobpursley
That means 1/8 is left.
1/8=(1/2)^n
looks like n=3days
1/8=(1/2)^n
looks like n=3days
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