Solve the Problem. -How Many Different Sequences of 4 Digits Are Possible If

question 21

Multiple Choice

Solve the problem.
-How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if the Sequence may not end in 000? Repetition of digits is allowed.

• A) 2,999
• B) 2,997
• C) 1,512
• D) 2,000

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Definitions:

Marginal Cost

The additional cost incurred to produce one more unit of a good or service, highlighting the cost variations when adjusting production levels.

Fixed Costs

Expenses that do not change in proportion to the activity of a business, such as rent, salaries, and loan payments.

Competitively Organized

A market structure where multiple firms compete against each other, allowing for a wide range of choices for consumers and promoting efficiency.

Monopoly

A market structure characterized by a single seller, selling a unique product in the market with no close substitutes.