Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
<span>Climate, soils, and biomes gave it the perfect environment for mechanized agriculture & for ranching. Varied climates, soils, and biomes allows it to have an abundance of and a variety of natural resources and raw items...
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