The decay period of a radioactive isotope is 1 month. Determine how long the number
| September 3, 2021 | education
The decay period of a radioactive isotope is 1 month. Determine how long the number of nuclei of this isotope will decrease by 16 times.
The half-life of a radioactive isotope is equal to 1 month, knowing this, we will find after how many isotopes will decrease by 16 times.
After the first half-life of 1 month, the number of isotopes will decrease by 2 times.
After the second half-life of 1 month, the number of isotopes will decrease by 4 times.
After the third half-life of 1 month, the number of isotopes will decrease by 8 times.
After the fourth half-life of 1 month, the number of isotopes will decrease 16 times.
Answer: In 4 months the number of isotopes will decrease 16 times.
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