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thomasrules
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A substance decays from 20g to 15g in 7h.Determine the half-life of the substance.
I know that: [tex]M=M_{o}\left\frac{1}{2}\right^\frac{t}{h}[/tex]
I know that: [tex]M=M_{o}\left\frac{1}{2}\right^\frac{t}{h}[/tex]
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