How Many 3-Digit Numbers Can Be Formed Using the Digits

question 169

Multiple Choice

How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed?

• A) 210
• B) 5
• C) 343
• D) 6

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Definitions:

Specific Phobia

An intense, irrational fear of a specific object, situation, or activity that leads to avoidance behavior.

Treatment

A specific regimen or procedure aimed at curing or managing a disease, disorder, or injury, often tailored to individual patient needs.

Posttraumatic Stress Disorder

A psychiatric disorder that can occur in people who have experienced or witnessed a traumatic event.

Cross-cultural

Involving or comparing two or more different cultures or cultural areas, often to identify similarities and differences.