Calculate the time required for 100 milligrams of I131 (dissociation constant, K = 0.086625) to decay to 50 milligrams. Use the formula

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Calculate the time required for 100 milligrams of I<sup>131</sup> (dissociation constant, K = 0.086625) to decay to 50 milligrams. Use the formula <img alt='Image59547.EPS' class='fractions103' src='https://www.fatskills.com/images4/nursingalliedhealth/Image59547_fmt.png'/>






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