A Sample Containing 4

question 79

Multiple Choice

A sample containing 4.0 × 10¹⁸ atoms of a radioactive isotope decays with a half-life of 2.3 years.How many undecayed atoms are left after 3.7 years?

• A)2.5 × 10¹⁸
• B)1.7 × 10¹⁸
• C)1.3 × 10¹⁸
• D)1.1 × 10¹⁸

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Definitions:

Leasehold Improvements

Alterations or enhancements made to rental premises by a lessee in order to customize the space for their specific use.

Copyright

Copyright is a legal right granted by the government to creators for their original works of authorship, providing exclusive control over the use and distribution for a limited time.

Obsolescence

The process of losing value or utility, often due to technological advancements, changes in consumer preferences, or wear and tear.

Quality of Receivables

An assessment of the likelihood that the amounts owed to a business by its debtors will be collected.