Question

The radioactive substance uranium-240 has a half-life of 14 hours. The amount

Answer 1

Answer:

See analyris

Step-by-step explanation:

$Hlug\ in\ the\ value\ of \left.\ t.\right\}$

$The\ infital\ ampunt\ in\ the\ sample:$

$t=0_{-1}\ \ \ \ \ f(t)=39\omega\bullet(\frac{1}{2})^\frac{0}{14}$

                        $=3900\ g.$

$Ater\ bo\ busis.$

$t=6,\ \ \ \ \ A(t)=2900\times(\frac{1}{2})^\frac{60}{14}$

                       $=3900\times(\frac{1}{2})^\frac{30}{7}$

                       $\approx 209.$

I hope this helps you

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