A radio active element (x) has a half-life of 38 hours. Initially, x = xo. Determine the amount of radio active element at any time, t. -t In(0.5) r = Ce t In(0.5) x = x,e 38 -t In(0.5) 38 I = x,e t In(0.5) x = Ce 38 t In(0.1) x = x,e -t In(0.1) x = Toe 38
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