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If 250 mg of a radioactive element decays to 180 mg in 24 hours, find the half-life of the element.
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Nov 6, 2017
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If 250 mg of a radioactive element decays to 180 mg in 24 hours, find the half-life of the element.
Mathematics
high-school
S K
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250mg/2=125m
180mg/24hrs=45mg/6hrs=15mg/2hrs
125/15=8 ⅓
8 ⅓ *2 =25/3 *2=50/3 hrs
Nkm
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Nov 10, 2017
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