10,000,000 2,000,000 400,000 30,000 90
10 2 400 30 0 000 90*0
The expanded form of 12,430,090 is 10 , 000 , 000 + 2 , 000 , 000 + 400 , 000 + 30 , 000 + 90 . This breaks the number down by its place values. Each digit is expressed in terms of its value based on its position in the number.
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