miadestinimoreno2007 miadestinimoreno2007

06-09-2021
Mathematics

contestada

The half-life of a radioactive substance is the time required for half of a sample to undergo radioactive decay,or for the quantity to fall to half its original amount.Carbon 14 has a half-line of 5730 years.Suppose given samples of carbon 14 weigh 5/8 of a pound and 7/8 of a pound.What was the total weight of the samples 11,460 years ago?

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olivergs olivergs

06-09-2021

Answer:

That's two half lives. 5/8 * 2 * 2 = 20/8 = 5/2 pounds7/8 * 2 * 2 = 28/8 = 7/2 pounds

Step-by-step explanation:

Brainliest plz?

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faith5082 faith5082

18-10-2021

7
—-
2
pounds

explained above

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