Because they put a thermometer in tje earth and see the temperature so they calculate and make their hypothesis
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.
Kings held the highest place in Mayan society and priests were the second most important characters in that society as they were the connection between commoners and gods.
Maya priests played a significant role, they were the keepers of knowledge. They learned and taught others perusing of knowledge and writing. Priests had numerous parts and obligations including performing religious functions, educating children of nobles, keeping the date-books, learning and studying space science and astrology, divining for the lord, nobles and average citizens and prophecy.