If We Start with 1 $\text { half-life }$ Of $\text { cobalt } - 60$

question 61

Multiple Choice

If we start with 1.000 g of cobalt-60,0.4000 g will remain after 7.00 y.This means that the $\text { half-life }$ of $\text { cobalt } - 60$ is ________ y.

• A)2.80
• B)17.5
• C)7.64
• D)1.94
• E)5.29

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Definitions:

Decreased

Pertains to a reduction in amount, size, intensity, or number.

Time-Series Graph

A graphical representation showing how a given data set changes over time.

Scaling

The process of adjusting the size or volume of an operation to meet changes in demand or to improve efficiency.

Visual Interpretation

The process of examining visual information, such as charts, graphs, or images, to understand and analyze its content.