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The amount of carbon -14 present in 9705 years will be approximately blank grams.

The Amount Of Carbon 14 Present In 9705 Years Will Be Approximately Blank Grams class=

Sagot :

Given

The decay model for the amount of carbon-14 present after t years is,

[tex]A=16e^{-0.000121t}[/tex]

To find the number of carbon-14 present in 9705 years.

Explanation:

It is given that,

[tex]A=16e^{-0.000121t}[/tex]

Then, for t=9705,

[tex]\begin{gathered} A=16e^{-0.000121\times9705} \\ =16\times0.3090 \\ =4.9445 \\ =5(Rounded\text{ to the nearest whole number}) \end{gathered}[/tex]

Hence, the amount of carbon-14 present in 9705 years is 5grams.

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