Carbon-11 Is a Radioactive Isotope of Carbon

question 46

Multiple Choice

Carbon-11 is a radioactive isotope of carbon. Its half-life is 20.3 minutes. What fraction of the initial number of carbon-11 atoms in a sample will remain after 81 minutes

• A) 1/16
• B) 1/4
• C) 1/2
• D) 1/32
• E) 1/8

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Definitions:

Truth-in-Lending Act

Legislation from the federal government in the United States intended to support the well-informed utilization of consumer credit by mandating the disclosure of its conditions and costs.

Restrictive Covenant

A clause in a contract that limits certain actions of the parties involved, often to protect business interests or preserve confidentiality.

Mortgage Reform and Anti-Predatory Lending Act

U.S. legislation aimed at improving the transparency of the mortgage process and protecting borrowers from unfair, deceptive, or predatory lending practices.

Subprime Mortgages

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