Solve the Problem $\{ 1,2,3,4,5 \}$ Without Any Repeating Digits?
A) 120
B) 60
C) 10

question 281

Multiple Choice

Solve the problem.
-How many different three-digit numbers can be written using digits from the set $\{ 1,2,3,4,5 \}$ without any repeating digits?

• A) 120
• B) 60
• C) 10
• D) 20

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Definitions:

Excludable

An excludable good is one from which it is possible to prevent people from benefiting unless they have paid for it.

Public Good

A good or service offered to every member of a society for free, provided by either the government or a private entity or group, without seeking profit.

National Defense

Governmental and military measures designed to protect a country from external aggression and threats.

Free-Rider Problem

A situation where some individuals consume more than their fair share of a public resource, or shoulder less of the cost of its production, benefiting from it without paying for it.