The Radioactive Isotope Bismuth-210 Has a Half-Life of 5 Days

question 104

Multiple Choice

The radioactive isotope Bismuth-210 has a half-life of 5 days. How many days does it take for 87.5% of a given amount to decay?

• A)15 days
• B)8 days
• C)10 days
• D)13 days
• E)11 days
• F)9 days
• G)12 days
• H)14 days

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Definitions:

Asserted

Asserted refers to a statement that is declared or stated firmly and confidently.

Connective

A logical structure that creates a compound proposition from component propositions.

Proposition

A statement or assertion that expresses a judgement or opinion that can be either true or false.

Connective

In logic and philosophy, a term or operator that connects two propositions or parts of a proposition, such as "and", "or", and "not".