Multiply and Reduce Your Answer to Lowest Terms $- \frac { 42 } { 5 } \cdot \frac { 7 } { 21 } \cdot \frac { 1 } { 14 }$

question 11

Multiple Choice

Multiply and reduce your answer to lowest terms. $- \frac { 42 } { 5 } \cdot \frac { 7 } { 21 } \cdot \frac { 1 } { 14 }$

• A) \(- \frac { 1 } { 5 }\)
• B) \(\frac { 1 } { 5 }\)
• C)-1
• D)1
• E) \(- \frac { 5 } { 5 }\)

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Definitions:

Wavenumber

Wavenumber is a measure of the number of wavelengths per unit distance, often used in spectroscopy to describe the energy level of electromagnetic radiation.

IR Spectroscopy

An analytical technique that uses infrared light to study the vibrational and rotational movements of molecules, revealing structural and functional group information.

Pentane

A hydrocarbon compound with the molecular formula C5H12, consisting of five carbon atoms linked in a single chain.

Heptane

A straight-chain alkane with the formula C7H16, commonly used as a nonpolar solvent in laboratories.