irelannnf irelannnf

18-01-2017
Physics

contestada

The half-life of a certain isotope is 12 years. How much of a 600 g sample will remain after 36 years?
75 g

150 g

37.5 g

50 g

16.7 g

HELP PLS

Respuesta :

lunabischoff lunabischoff

18-01-2017

36/12= 3 3 IS THE AMOUT OF HALFLIVES

ONE HALF LIFE = 300

TWO HALF LIFE = 150

THREE HALF LIFE = 75

*Divide 600 three times

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