Perform the Indicated Operation Involving Rational Expressions $\frac { 2 x ^ { 9 } y ^ { 9 } } { 3 x ^ { 10 } y ^ { 8 } } \div \frac { 26 } { 9 x ^ { 9 } }$

question 216

Multiple Choice

Perform the indicated operation involving rational expressions. $\frac { 2 x ^ { 9 } y ^ { 9 } } { 3 x ^ { 10 } y ^ { 8 } } \div \frac { 26 } { 9 x ^ { 9 } }$

• A) \(\frac { 3 x y ^ { 8 } } { 13 }\)
• B) \(\frac { 13 x y ^ { 8 } } { 3 }\)
• C) \(\frac { 13 x y ^ { 9 } } { 3 }\)
• D) \(\frac { 3 x y ^ { 10 } } { 13 }\)

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Definitions:

Magic Number

A concept in cognitive science referring to the limit of items an average human mind can hold in working memory, commonly thought to be seven plus or minus two.

Working Memory

An active system that processes the information in short-term memory.

Central Executive

A component of working memory model that oversees and regulates the flow of information from and to its subsidiary systems.

Baddeley

A reference to Alan Baddeley, a psychologist best known for his work on the model of working memory.