A Calculator Answer of 423

question 5

Multiple Choice

A calculator answer of 423.6059 must be rounded off to three significant figures.What answer is reported?

• A)423
• B)424
• C)1.7420
• D)423.6
• E)423.7

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Definitions:

Line-Angle Structure

A shorthand diagrammatic method used in organic chemistry to represent chemical structures with lines representing bonds and angles representing chemical bonds without the need to draw all atoms.

Lewis Structure

An illustration depicting the bonds among a molecule's atoms and the potential unshared electron pairs present.

Lone Pairs

Paired valence electrons on an atom in a molecule that are not involved in bonding.

Condensed Structures

A method of writing the structure of a molecule in a simplified way, showing how atoms or groups are connected.