If Originally There Were X Atoms of Radioactive Isotope Present

question 103

Multiple Choice

If originally there were X atoms of radioactive isotope present and now there are only X/4 atoms, how many half-lives have elapsed?

• A) 1
• B) 4
• C) 2
• D) 3

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Definitions:

Poverty

A socio-economic condition characterized by a lack of financial resources necessary for basic living needs.

Retirement Years

The period in an individual's life after leaving the workforce, typically marked by a focus on leisure, volunteer activities, and personal interests.

Lifelong Neighborhoods

Communities designed to support residents throughout all stages of life, with amenities and services accommodating various ages and needs.

African American

A term describing Americans with African ancestry, particularly those whose ancestors were enslaved and brought to the United States.