Perform the Indicated Operation Involving Rational Numbers $\left( - \frac { 5 } { 6 } \right) \div \frac { 20 } { 42 }$

question 139

Multiple Choice

Perform the indicated operation involving rational numbers. $\left( - \frac { 5 } { 6 } \right) \div \frac { 20 } { 42 }$

• A) \(-\) 4
• B) \(- \frac { 7 } { 4 }\)
• C) \(- \frac { 4 } { 7 }\)
• D) \(-\) 7

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Definitions:

Mnemonic Device

A tool that aids in memory recall, typically through association techniques involving patterns, rhymes, or abbreviations.

Encoding

The initial process of converting information into a form that can be stored in memory.

State-Dependent Memory

The phenomenon where information learned in a particular state of mind (e.g., happiness, sadness) is more easily recalled when in the same state.

Working Memory

A cognitive system responsible for temporarily holding and processing information necessary for complex tasks such as learning, reasoning, and comprehension.