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The average person is exposed to 6.2mSv of background radiation per year. A CT scan of...

The average person is exposed to 6.2mSv of background radiation per year. A CT scan of the head exposes a person to 1.4 mSv. What is the equivalent amount of time in months that a person would need to be exposed to background radiation to match the radiation exposure of one CT scan?
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m avcnoge peson exboscd to G.2mS of 12 Now moutot tine would need to exposcJ to bockarauod rady ation to mat ch the radioha w

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