Qué otro elemento del relieve terrestre provoca sismos en nuestro país?
1 answer:
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<span>Most of Kenya's people live in the </span>
<span> of the southwest part of the country. They do this for the protection and how they feel up there. When they lived in there older place, they were constantly threaten and no protected. That's why they no live in the southwest part of the country now.
~Jurgen
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</span>
~Jurgen
</span><span>
</span>
Answer:
The current amount of the Potassium-40 sample is approximately 37.521 grams.
Explanation:
The amount of the sample of the radioactive isotope decays exponentially in time, the amount of mass of the sample as a function of time (), in grams, is described below:
(1)
Where:
- Initial mass, in grams.
- Time, in years.
- Time constant, in years.
The time constant can be found from half life (), in years, described in statement:
(2)
If we know that ,
and
, then the current amount of the sample is:
The current amount of the Potassium-40 sample is approximately 37.521 grams.