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If you have 10 grams of a substance that decays with a half-life of 14 days, then how much will you have after 42 days? 1.25 g 2.50 g 3.13 g 6.25 g
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If you have 10 grams of a substance that decays with a half-life of 14 days, then how much will you have after 42 days? 1.25 g 2.50 g 3.13 g 6.25 g

User Nopper
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2 Answers

8 votes

Answer:

1.25 g

Step-by-step explanation:

User Basile
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4.9k points
6 votes

Nt=10 x (0.5)^(42/14)

Nt=1.25 g

User Piotr Zakrzewski
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5.3k points
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