Question

After two half-lives, how much of the original material has decayed?

Answer 1

Answer:

After 1 half life , clearly HALF of the original isotope remains. And after TWO half-lives, a HALF + HALF of a HALF , i.e. 34 of the original mass has decayed.

Explanation:

I think it is helpful for you.

please follow me and make me a brainlist