Let a Be the Set of All Strings of Decimal

question 17

Short Answer

let A be the set of all strings of decimal digits of length five. For example, 00312 and 19483
are strings in A.
-How many strings in A begin with 774?

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Definitions:

Capital Budgeting

The process of evaluating and selecting long-term investments that are in line with a company's goal of maximizing shareholder value.

Project Cash Flow

The net amount of cash and cash-equivalents being transferred into and out of a project, reflecting its operational activity and financial health.

Opportunity Costs

The cost of foregoing the next best alternative when making a decision.

Cash Inflows

This term refers to the money coming into a business from its operational, financing, and investing activities.