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The half life of a radioactive kind of cadmium is 14 years. How much will be left after 28 years, if you start with 72 grams of it?
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The half life of a radioactive kind of cadmium is 14 years. How much will be left after 28 years, if you start with 72 grams of it?

The half life of a radioactive kind of cadmium is 14 years. How much will be left-example-1
User Guillaume Gendre
by
2.8k points

2 Answers

4 votes

Answer: 18

Explanation:

28 divided by 14 equals 2

72 multiplied by 0.05^2 equals 18

User Kirill Strizhak
by
3.2k points
4 votes

Answer:

18 grams

Explanation:

User MLu
by
4.0k points
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