A Sample Contains 1000 Nuclei of a Radioactive Isotope of Barium

question 30

Multiple Choice

A sample contains 1000 nuclei of a radioactive isotope of barium. Exactly sixty seconds later, 970 nuclei in the sample have decayed. Determine the half-life of this isotope.

• A)10 s
• B)12 s
• C)14 s
• D)16 s
• E)18 s

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Definitions:

Authority

The power or right to give orders, make decisions, and enforce obedience.

Servant Leaders

prioritize the growth, well-being, and empowerment of their followers over their own self-interest, fostering a culture of service.

Servant Leader Characteristics

Attributes of leaders who put the needs of others first, helping people develop and perform to their best abilities, often associated with empathy, listening, stewardship, and commitment to the growth of people.

Visionary

Having or showing clear ideas about what should happen or be done in the future; characterized by vision or foresight.