All the Employees of ABC Company Are Assigned ID Numbers

question 88

Short Answer

All the employees of ABC Company are assigned ID numbers. The ID number consists of the first letter of an employee's last name, followed by four numbers.
a.How many possible different ID numbers are there?
b.How many possible different ID numbers are there for employees whose last name starts with an A?

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Definitions:

Sales Transactions

These are dealings or agreements carried out between two parties, where goods or services are exchanged for money or other considerations.

Interest Calculation

A method used to determine the amount of interest owed or earned over time, based on the principal amount, the rate of interest, and the period over which it is calculated.

Service Performed

The completion of an awaited task or the provision of work for customers as part of a contractual agreement.