How Many Days Will It Take 128 Kilograms of a Radioactive

question 45

Multiple Choice

How many days will it take 128 kilograms of a radioactive substance to decay to 16 kilograms if it has a half-life of 32 days?

• A)3
• B)48
• C)4
• D)96

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Definitions:

Contingency Table

A table used in statistics to summarize the distribution of two categorical variables, showing the frequency at which certain combinations of the variables occur.

Alternative Hypothesis

The hypothesis that there is a significant difference between groups or conditions, as opposed to the null hypothesis.

Contingency Table

A contingency table is a type of table in a matrix format that displays the frequency distribution of the variables.

Contingency Tables

A type of table in a matrix format that displays the frequency distribution of the variables.