The Half-Life of a Certain Radioactive Substance Is 5 Years

question 12

Multiple Choice

The half-life of a certain radioactive substance is 5 years.What is the yearly percentage decay rate for this substance? Round your answer to two decimal places if necessary. ​

• A) 10.65%
• B) 12.94%
• C) 13.87%
• D) 10%

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Definitions:

Normal Speech

The ability to produce vocal sounds that are recognized by listeners within a given language community as coherent spoken language.

Vagus

Referring to the vagus nerve, the tenth cranial nerve, which innervates major organs, including the heart, lungs, and digestive tract.

Trigeminal

Pertaining to the trigeminal nerve, which is responsible for sensation in the face and motor functions such as biting and chewing.

Cheek

Side of the face forming the lateral wall of the mouth.