A car company is going to issue new ID codes to its employees. Each code will have one digit followed by four letters. The letter V and the digits 3, 4, and 5 wil not be used. So, there are 25 letters and 7 digits that will be used. Assume that the letters can be repeated. How many employee ID codes can be generated? employee ID codes

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.