A Sample of a Radioactive Element Decays to 25% of Its

question 4

Multiple Choice

A sample of a radioactive element decays to 25% of its original number of radioactive nuclides in 48 years. What is the half-life of this radioactive element?

• A) 24 years
• B) 12 years
• C) 96 years
• D) 6 years
• E) 48 years

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Definitions:

Low-Income Families

Households earning significantly less than the median income, struggling to meet basic needs such as food, housing, and healthcare.

Socioeconomic Status

A measure of an individual's or family's economic and social position relative to others, based on income, education, and occupation.

Academic Achievement

The extent to which a student, teacher or institution has achieved their short or long-term educational goals.

School Transitions

The process and experience of moving from one educational stage to another, such as from elementary to middle school, which can impact a student's social and academic adjustment.