mianelson367
27.11.2019 •
Mathematics
Dan rolled a number cube 20 times. the cube landed on fhe number 3 six times.
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Ответ:
Please mark brainliest if you can plz
Ответ:
It is given in the question that initial amount of C 14 is 10 gms .
So after first half life,initial amount of C 14 becomes half , that is 5 grams .
After second half life, the amount left is the half of the amount that we got after first life, that is half of 5 gm which is 2.5 grams .
So after two half lives, the 10gm C 14 becomes 2.5 gm C 14 .