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qcm 3 ( CC 2014)


Kenzou
Go to solution Solved by Reïner,

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Bonsoir, 

je suis bloquée au qcm 3. En effet on nous demande de calculer l'activité du noyau de tc 99 12h après sa production. Mais, en faisant le calcul je trouve 7000Mbq, je ne comprends donc pas pourquoi il faut diviser par 4 afin de répondre à l'énoncé. 

Merci d'avance ☺️

Capture d’écran 2019-01-13 à 23.31.59.png

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