Simplify the Expression

question 17

Multiple Choice

Simplify the expression.

• A) 49
• C) 6
• D) 36
• E) 81

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Definitions:

Randomization

The process of making something random; in experimental design, it is the practice of assigning trial subjects randomly to treatment or control groups to prevent bias.

Equal Chance

A principle that aims to provide every individual with the same opportunity to achieve success, without any discrimination or bias.

Research Group

A team of individuals conducting investigations on specific subjects within scientific, academic, or commercial settings, aiming to gain new insights or solve problems.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.