Whole Numbers: Place Value and Large Numbers

### Why do large numbers matter in Nigeria? Imagine Lagos State with over **20,000,000** residents, or the Central Bank of Nigeria managing a national budget of **₦28,770,000,000,000**! To work with these figures, we use **Place Value**. Every digit in a number has a value determined by its position (place) in the number. Let's break down the periods: * **Units Period**: Units, Tens, Hundreds * **Thousands Period**: Thousands, Ten Thousands, Hundred Thousands * **Millions Period**: Millions, Ten Millions, Hundred Millions * **Billions Period**: Billions, Ten Billions, Hundred Billions