[Answered] What fraction of a radioactive sample has decayed after two half-lives have elapsed? 1.1/8 2.3/4 ...

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Author Question: What fraction of a radioactive sample has decayed after two half-lives have elapsed? 1.1/8 2.3/4 ... (Read 55 times)

frankwu

Hero Member
Posts: 549

on: Jul 28, 2018

What fraction of a radioactive sample has decayed after two half-lives have elapsed?
1.1/8
2.3/4
3.7/8
4.none of these

Question 2

True or False: A radioactive atom always decays after two half-lives have elapsed.
1.False
2.True

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6ana001

Sr. Member
Posts: 311

Reply #1 on: Jul 28, 2018

Answer to Question 1

3

Answer to Question 2

1

frankwu

Member
Posts: 549

Reply 2 on: Jul 28, 2018

Gracias!

patma1981

Member
Posts: 292

Reply 3 on: Yesterday

YES! Correct, THANKS for helping me on my review

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