2. If you have 100 grams ofa radioactive isotope with a half-life of 10 years a. How much of the isotope will you have left after 10 years? b. How much of the isotope will you have left after 20 years? c. How many half-lives will occur in 40 years?

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Q: half-life of this isotope?

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Q: Carbon-14 has a half life of 5730 years. In a plant fossil, you find that the 14C has decayed to…

A: Given that, half life , t12= of 5730 years. and  14C has decayed to 1/8.00 of the original amount

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