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Physics, 31.03.2021 02:10 kyleigh85

The half-life of a radioisotope is 6.0 hours. Approximately how long will it take for the activity of a sample to be reduced by 98%?
a) Over 12 hours
b)Over 18 hours
c) Over 24 hours
d) Over 30 hours

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The half-life of a radioisotope is 6.0 hours. Approximately how long will it take for the activity...
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