Discount for regular customers! If the total of your purchases from the seller
Михаил_Перович
exceeds:
- $200 discount 15%
- $100 discount 10%
- $50 discount 7%
- $20 discount 5%
- $10 discount 3%
- $5 discount 2%
- $1 discount 1%
Solution to task 645 from Chertov´s for extramural stud
645. Find the average life span τ of the atom of the radioactive isotope cobalt 6027Со.
No customer reviews yet.
Discount for regular customers! If the total of your purchases from the seller
Михаил_Перович
exceeds: