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Tue 3 Jun, 2014 06:46 am
the half life of radium is 1600years .the fraction of a sample of radium that would remain undecayed after 6400
years is?
@haniya,
x = 6400/1600. You do the rest.
@bobsal u1553115,
answer must be in fraction 1/ 16 but how?
@haniya,
You seem to have trouble with simple physics problems. You need to change your major or course of study.
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