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
Many people still think that United States is still a leader of the free world.
<u>Explanation:</u>
Even after the end of the colonization in the world and with the end of the cold war between the United States of America and the USSR, some people still think that the United States is still the leader of the countries in the free world.
The way with which the United States rule is with the trade policies of the country towards the other countries or the strong financial position of the country.
