This is a relatively simple half life calculation.
To go from 6 to 3 grams, 1622 years is required.
3 to 1.5 grams another 1622 years is required.
So, it undergoes exactly 2 half-lives or 3,244 years.
To see more about half-life click here:
http://www.1728.org/halflife.htm
The work is down below. your answer is m=8.
7.3 is the answer i believe
Answer:
14.40 dollars
Step-by-step explanation:
72 divided in 5