skimel5ipwmero skimel5ipwmero

09-12-2016
Mathematics

contestada

Cobalt-60 has a half-life of about 5 years.

How many grams of a 300 g sample will remain after 20 years?

A. 0.0625 g

B. 9.375 g

C. 18.75 g

D. 37.5 g

Respuesta :

aaliyahm14 aaliyahm14

14-12-2016

The answer is c.18.75 g

Answer Link

TheFatherBrain TheFatherBrain

31-10-2018

The answer to this question is C, i took the test.

Hope you have a great day!

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