100g->50g->25g->12.5g make its four numbers of half lives.
4 Half-Lives = 15.6 years. What about,
1 half life= ?
(1×15.6)÷4 = 3.9 years.
half life =3.9 years
kawasaki_254 answered the question on July 5, 2018 at 02:11
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