257Lr has a half-life of 8 seconds. How long will it take for 75% of the sample to decay?

asked Apr 4, 2022 30.2k views

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3 votes

Answer:

6 seconds

Step-by-step explanation:

1/4 = 25%

1/4 to 8 seconds would be 2/8 so

25 + 25 + 25 =75

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