kendallalex25
contestada

Situation:
A hiker in Africa discovers a skull that
contains 79% of its original amount of C-
14.
N = Noe
kt
No = inital amount of C-14 (at time
t = 0)
N = amount of C-14 at time t
k = 0.0001
t = time, in years

find the age of the skull to the nearest year ​

Respuesta :

sqdancefan

Answer:

  about 2357 years

Step-by-step explanation:

You want to find t such that ...

  0.79 = e^(-.0001t)

Taking natural logs, we get ...

  ln(0.79) = 0.0001t

  ln(0.79)/-0.0001 = t = 2357 . . . years

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