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fiasKO [112]
3 years ago
8

The amount of​ carbon-14 present in animal bones after t years is given by ​P(t)equalsUpper P 0 e Superscript negative 0.00012 t

. A bone has lost 19​% of its​ carbon-14. How old is the​ bone?
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

age of bone is 1756 years

Step-by-step explanation:

The amount of​ carbon-14 present in animal bones after t years

P(t)= P_0e^{-0.00012t}

P(t) is the carbon present

19% has lost. so carbon present is 100-19 = 81% present

out of 100 81 is presents

so P0 is 100

P(t) is 81

81= 100e^{-0.00012t}

divide by 100 on both sides

0.81= e^{-0.00012t}

take ln on both sides

ln(0.081)=-0.00012tln(e)

ln(0.081)=-0.00012t

divide both sides by  -0.00012

t=1756.0085

age of bone is 1756 years

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