Expanded form shows the number expanded into an addition statement. Therefore, 409,720 is written in expanded form as follows:
400,000 + 9,000 + 700 + 20
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409 = (4 x 100) + (0 x 10) + (9 x 1)
Rounded to the nearest thousand, 409 is approximately equal to 0.
0
0
409 x 1,000 is 409,000