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Radioactive Decay PLAESE HELP

  • Thread starter KayD
  • Start date
1
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1. Homework Statement
If A is the amount of radioactive material present at time t, A_0_ was the amount present at t=0, and h is the materials half-life, then A=A_0_ 2^-t/h


Carbon-14 Dating: How old is a wooden statue that remains only one-third of its original carbon-14 content?

A(t)=A_0_a^t
3. The Attempt at a Solution
 

Answers and Replies

tiny-tim
Science Advisor
Homework Helper
25,789
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Welcome to PF!

Hi KayD! Welcome to PF! :smile:

You want A(t) = Ao/3.

So Ao/3 = Ao 2^-t/h;

so … ? :smile:
 

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