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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
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3 votes
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

User Dwedit
by
8.6k points

2 Answers

0 votes

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


Hope you have a great day!

User Ian Price
by
7.6k points
5 votes
The answer is c.18.75 g
User Fxlemire
by
8.4k points
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