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Coolmath Prealgebra
Decimals Lesson 3 - Expanded Notation   (page 2 of 2)
---- This prealgebra lesson reviews expanded notation for whole numbers and explains expanded notation for decimals.
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OK, now for some decimals!

Let's label the place values of this critter:

648.3751

So, how would we expand this guy?

6x100 + 4x10 + 8x1 + 3x1/10 + 7x1/100 + 5x1/1000 + 1x1/10000

Here's another one:

74.259 = 7x10 + 4x1 + 2x1/10 + 5x1/100 + 9x1/1000

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