Half-life The half-life of a particular element or isotope is the length of time necessary for half of a given amount to decay. The number of grams present of the isotope Argon39 is given by the following formula: - 0.00257t A(t): = 352 e where t is in years. 1.) What is the initial amount of Argon39? grams 2.) How much Argon39 is present after 558 years? grams (Round your answer to 2 decimal places) 3.) What is the half-life of Argon39? years (Round your answer to 2 decimal places)

Algebra and Trigonometry (6th Edition)
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Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
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Half-life
The half-life of a particular element or isotope is the length of time necessary for half of a given amount to decay. The number of grams present of the isotope Argon39 is given by the following formula:
- 0.00257t
A(t) = 352 e
where t is in years.
1.) What is the initial amount of Argon39?
grams
2.) How much Argon39 is present after 558 years?
grams (Round your answer to 2 decimal places)
3.) What is the half-life of Argon39?
years (Round your answer to 2 decimal places)
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Transcribed Image Text:+ || * 00 B © 2N Half-life The half-life of a particular element or isotope is the length of time necessary for half of a given amount to decay. The number of grams present of the isotope Argon39 is given by the following formula: - 0.00257t A(t) = 352 e where t is in years. 1.) What is the initial amount of Argon39? grams 2.) How much Argon39 is present after 558 years? grams (Round your answer to 2 decimal places) 3.) What is the half-life of Argon39? years (Round your answer to 2 decimal places) Ask my instructor Print Clear all DEC 人区 9. MacBook Pro esc $ 4. # % 5. 9. R } tab 1 A caps lock > shift V command option control option command
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