An element decays by 50% every hour (in other words, it has an hour half-life). If you have 48 grams of the element, then how many grams will there be in 5 hours?

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Explosion Pills asked Mar 4, 2023

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An element decays by 50% every hour (in other words, it

has an hour half-life). If you have 48 grams of the element,
then how many grams will there be in 5 hours?

Mathematics
high-school

Explosion Pills asked Mar 4, 2023

by Explosion Pills

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1 Answer

27 votes

Answer:

1.5 grams

Explanation:

This is because if there are five hours there will be 5 half lives due to it decaying 50% every hour. Therefore we would have to dived 48 by 2, 5 times or in other words 48÷
2^(5) = 1.5