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carbon from a cypress beam obtained from the tomb of an ancient egyptian king gave 9.2 disntegration/minute of C-14 per gram of carbon, carbon from living material gives 15.3 disintegration/minute of C-14 per gram of carbon, C-14 has a half-life of 5730 years, how old is the cypress beam?

Question

carbon from a cypress beam obtained from the tomb of an ancient egyptian king gave 9.2 disntegration/minute of C-14 per gram of carbon, carbon from living material gives 15.3 disintegration/minute of C-14 per gram of carbon, C-14 has a half-life of 5730 years, how old is the cypress beam?

check_circleAnswer
Step 1

The decay constant can be calculated as

Decay constant.= 0.693
0.693
5730 years
1.21x10 year
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Decay constant.= 0.693 0.693 5730 years 1.21x10 year

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Step 2

The age of cypress beam can be calculated by calcul...

At
In
"[A,]
9.2(1.21x10 year")xt
In
[15.3
-0.509-(1.21x10year)xt
t 4207 years
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At In "[A,] 9.2(1.21x10 year")xt In [15.3 -0.509-(1.21x10year)xt t 4207 years

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