How Many Different Three-Digit Numbers Can Be Written Using Digits

question 355

Multiple Choice

How many different three-digit numbers can be written using digits from the set {5, 6, 7, 8, 9} without any repeating digits?

• A) 20
• B) 120
• C) 60
• D) 10

Identify the stages of Piagetian cognitive development and their defining features.

Recognize the concepts of conservation and classification as achievements in cognitive development.

Distinguish between different types of reasoning (intuitive, logical, abstract) across Piagetian stages.

Explain the significance of symbolic thought and its role in cognitive development.

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Definitions:

Lawrence Kohlberg

A renowned psychologist from the United States, famous for developing a theory on the stages of moral development.

Punished

The imposition of a penalty as retribution for an offense, or the treatment received as a consequence of an action.

Preconventional Morality

A stage in moral development where an individual's sense of morality is externally controlled, based primarily on consequences of actions.

Lawrence Kohlberg

was a psychologist known for his theory of moral development, which proposed stages through which individuals progress in their ethical and moral reasoning as they age.