What Percentage of a Radioactive Substance Remains After 7

question 85

Multiple Choice

What percentage of a radioactive substance remains after 7.00 half-lives have elapsed?

• A)0.391%
• B)0.78%
• C)1.56%
• D)3.12%

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Definitions:

Empathetic Listening

The skill of understanding and sharing the feelings of another person by fully concentrating on their words and emotional expressions.

Clarifying

The process of making a statement or situation less confused and more comprehensible.

70/30 Principle

A guideline suggesting that effective communication should involve roughly 70% listening and 30% talking.

Active Listeners

Individuals who make a conscious effort to hear not only the words that another person is saying but, more importantly, to understand the complete message being communicated.