ELI5: Explain Like I'm 5

Orders of magnitude (numbers)

Orders of magnitude are used to describe the size of a number or a quantity in comparison to another. Think of it like using blocks to build a tower. We use different sizes of blocks to make a taller or shorter tower. Similarly, orders of magnitude help us understand how big or small a number is.

Let's say we have a number, 10. If we want to describe this number in terms of orders of magnitude, we need to understand that each order of magnitude is 10 times more than the previous one. So, we can say that 10 is an order of magnitude below 100 and two orders of magnitude below 1,000.

To make it simpler, think of the orders of magnitude like stairs. Each step is ten times bigger than the one before it. Just like you might take one step to go from the ground floor to the first floor, you'd need to take ten steps to go from the ground floor to the second floor.

Here are some examples of orders of magnitude and their corresponding values:

- 1 order of magnitude below 100 is 10
- 2 orders of magnitude below 1,000 is 10
- 3 orders of magnitude below 10,000 is 10
- 4 orders of magnitude below 100,000 is 10
- 5 orders of magnitude below 1,000,000 is 10
- 6 orders of magnitude below 10,000,000 is 10

So, when we talk about orders of magnitude, we are using a simpler way to describe very large or very small numbers. It's like having a special elevator that can quickly take us up or down in scale, using just a few simple steps!