The Isotope Has a Half-Life of 24,100 Years

question 74

Multiple Choice

The isotope has a half-life of 24,100 years.After 1,000 years,a sample of the isotope is reduced to 1.4 grams.What was the initial size of the sample (in grams) ? How much will remain after 10,000 years (i.e. ,after another 9,000 years) ? Round your answers to four decimal places. ​

• A)1.0086 g,0.7565 g
• B)2.3054 g,1.7291 g
• C)1.4409 g,1.0807 g
• D)2.0172 g,1.5130 g
• E)1.8731 g,1.4049 g

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Definitions:

Co-occurring Disorders

The simultaneous presence of two or more disorders, often a combination of mental health and substance use disorders, in an individual.

Integrated Substance Abuse

A comprehensive approach to address substance abuse through the coordination of therapy and support services across multiple sectors.

Co-occurring Disorders

The presence of two or more disorders or illnesses occurring in the same person, simultaneously or sequentially, with each potentially exacerbating the other.

Harm Reduction

Strategies and policies designed to minimize negative health, social, and legal impacts associated with human behaviors, such as drug use.