Simplify the Numerical Expression $\frac { 81 } { 49 }$

question 53

Multiple Choice

Simplify the numerical expression. ( 3 2 . 7 -1 ) 2

• A) \(\frac { 81 } { 49 }\)
• B) \(3,969\)
• C) \(\frac { 27 } { 49 }\)

Acknowledge the significance of ethics in research settings, particularly in naturalistic observations.

Grasp the concept of confirmation bias and its impact on research outcomes.

Recognize the significance of employing control groups and controls in research to establish scientific evidence.

Understand the importance of random selection in creating a representative sample for survey research.

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Definitions:

Distracting

Something that diverts attention away from the main focus or task, often leading to a decrease in productivity or concentration.

Emotional Responses

Reactions that involve feelings such as happiness, anger, or sadness, typically triggered by an external event.

Main Ideas

The central concepts or essential points that are being communicated in a text or speech.

Tape-Record

A method of recording sound or video onto magnetic tape for playback or storage.