A hospital patient has been given 131i half-life 804 days

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Reference no: EM13633634

A hospital patient has been given 131I (half-life = 8.04 days) which decays at 6.3 times the acceptable level for exposure to the general public. How long must the patient wait to reach the acceptable level? Assume that the material merely decays and is not excreted.

9.3 days

21 days

15 days

10 days

Reference no: EM13633634

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