Show That the Number Is a Rational Number by Finding $4 \frac { 2 } { 5 }$

question 44

Multiple Choice

Show that the number is a rational number by finding a ratio of two integers equal to the number. $4 \frac { 2 } { 5 }$

• A) \(\frac { 13 } { 5 }\)
• B) \(\frac { 22 } { 5 }\)
• C) \(\frac { 6 } { 5 }\)
• D) \(\frac { 8 } { 5 }\)

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Definitions:

Quaternary Ammonium

Ionic compounds containing a central nitrogen atom bonded to four organic groups and one additional anion, known for their disinfectant properties.

Primary Amine

A compound with one (primary) amino group attached to the main carbon chain.

Imine

Organic compounds characterized by a nitrogen atom double-bonded to a carbon atom, with the carbon also attached to a hydrogen or another carbon group.

Amide

A functional group characterized by a carbonyl group (C=O) linked to a nitrogen atom.