Pe4trushguti
Answered

What fraction of a given sample of radioactive nuclide remains after four half lives?

Ahalf-life: 1/2 left
Bhalf of that, or 1/4
Chalf of that, or 1/8
Dhalf of that, or 1/16

Verified Answer :

mpanderla95

I believe the answer is D. 1/16.

1 half-life: 1/2 left 

2: half of that, or 1/4 

3: half of that, or 1/8 

4: half of that, or 1/16 

. (1/2)^4 = 1/16
soafter four half lives it would be 1/16
so correct option is D

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