Cesium-134 Is a β Emitter with a Half-Life of 2

question 21

Multiple Choice

Cesium-134 is a β emitter with a half-life of 2.0 years. How much of a 2.50-g sample of cesium-134 will remain after 10 years?

• A)0.0024 g
• B)0.078 g
• C)0.25 g
• D)0.50 g
• E)None of these choices are correct.

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Definitions:

Predictor Variables

Variables in statistical models that are used to predict outcomes of interest.

Second-order Polynomial

A polynomial of degree two, characterized by a quadratic equation that includes squared terms as its highest order.

Influenced

The effect or impact of one variable on another within a study or analysis.

Linear Regression Equation

An equation that describes the linear relationship between two or more variables, typically involving a dependent variable and one or more independent variables.