Add Do Not Use a Number Line Except as a Check

question 258

Multiple Choice

Add. Do not use a number line except as a check.
--2.2 + (-6.9) + (-5.7) + 11

• A) -12
• B) 10
• C) 7.6
• D) -3.8

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Definitions:

Groupthink

A psychological phenomenon that occurs within a group of people when the desire for harmony or conformity results in an irrational or dysfunctional decision-making outcome.

Critical

Expressing or involving an analysis of the merits and faults of a concept, narrative, or item, often involving detailed evaluation.

Mental Efficiency

The effectiveness with which an individual's brain processes information and performs cognitive tasks.

Moral Judgment

The process of determining the ethicality or morality of a certain action or decision based on personal, cultural, or societal standards.