Sr-90 has a half-life of 291 years how long will it take

Reference no: EM13638062

Sr-90 has a half-life of 29.1 years. How long will it take for the activity of a Sr-90 sample to decay from 6.5x10^3 dpm(disintergration per minute) to 3x10^2 dpm? The half life of a radioisotope is 3 d, how long will it take for a sample of the isotope to decay to 10% of its originalquality?

Reference no: EM13638062

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Sr-90 has a half-life of 291 years how long will it take : sr-90 has a half-life of 29.1 years. how long will it take for the activity of a sr-90 sample to decay from 6.5x103

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