amandalynnn amandalynnn

24-05-2021
Chemistry

contestada

What percentage of a substance remains after 7 half-lives have passed?
A. 0.39
B. 2.5
C. 1.25
D. 0.78

Respuesta :

jahbell04 jahbell04

24-05-2021

Answer:

Not really sure, buts its either B or C.

Answer Link

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