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Coolmath Prealgebra
Decimals Lesson 3 - Expanded Notation   (page 1 of 2)
---- This prealgebra lesson reviews expanded notation for whole numbers and explains expanded notation for decimals.
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First, remember how expanded notation for whole numbers works...

Let's write this number in expanded form:

5437

Remember the place values...  These give us the info for how to expand things.

5437

Now, we can rewrite the number as

5437= 5x100 + 4x100 + 3x10 + 7x1

Continued on the next page

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