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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 :

supergirl17
The answer is letter c
krmlin

Your question: Cobalt-60 has a half-life of about 5 years. How many grams of a 300 g sample will remain after 20 years?

Answer: C. 18.75g

That's your answer, good luck mate. Remember to always look through notes, so-forth.

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