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A student has an 80 g sample of a radioactive material that has a half-life of 20 seconds. How much material will he have left after 60 seconds? A. 10 g B. 20 g C. 40 g D. 5 g

A student has an 80 g sample of a radioactive material that has a half-life of 20 seconds. How much material will he have left after 60 seconds? A. 10 g B. 20 g C. 40 g D. 5 g
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1 vote
A student has an 80 g sample of a radioactive material that has a half-life of 20 seconds. How much material will he have left after 60 seconds?

A.
10 g

B.
20 g

C.
40 g

D.
5 g

asked
User Yvonne Aburrow
by
8.4k points

1 Answer

7 votes
The answer is C 40 g
answered
User Myk Melez
by
8.0k points
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