chrisjenny
chrisjenny chrisjenny
  • 12-06-2021
  • Chemistry
contestada

A radioactive substance of mass 768g has a half life of 3 years. After how many years does it leave only 6g undecayed?​

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kriykong9
kriykong9 kriykong9
  • 13-06-2021

Answer:

The answer is 21 years.

Explanation:

7×3

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veereshgouda
veereshgouda veereshgouda
  • 30-06-2021

Answer:

hi

good morning

myself veeresh

and you

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