<span>
September 1948 cuz that's what I think it is.</span>
I think the answer is None because half life of seven years means it's full life is 14 years and after 20 years there would not be any left
Answer:
D: 6.04
Step-by-step explanation:
100*1.08 = 108
108*0.87 = 93.96
100-93.96 = 6.04