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

13-06-2021

Answer:

The answer is 21 years.

Explanation:

7×3

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veereshgouda veereshgouda

30-06-2021

Answer:

hi

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myself veeresh

and you

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