Answer
$\approx 4.01$ grams
Work Step by Step
In the model $A=16e^{-0.000121t}$ ,
substitute t=11,430 and calculate A
$A=16e^{-0.000121(11,430)}\approx 4.01$
In 11,430 years.
approximately $4.01$ grams of carbon-14 will be present.
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