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A substance has gone through 3 half lives. What percentage of the sample would remain?

please show work !

Sagot :

Answer:

Percentage of the sample that would remain after the third half life is 12.5%

Explanation:

After every half life, the amount of substance get reduced to it 50%

Let us say that initial amount of substance is 100

After 1 half life , remaining substance = 50

After 2 half life , remaining substance = 25

After 3 half life , remaining substance = 12.5

Percentage of the sample that would remain after the third half life is 12.5%

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