Task 60507.
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- Юрий Физик · about the seller and their products
DESCRIPTION
Task 60507.
There are 12 g of a radioactive substance, whose half-life is 19 minutes. After what time will disintegrate 9 g of this substance. The answer is to express in minutes.
Additional information:
Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help.
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