Answer:
expanded form: (500,000 +20,000) + (3,000 + 600 + 40)
standard form: 523,604
expanded form: (4,000,000,000 + 10,000) + (7,000 + 90) + (40 + 7)
standard form: 4,017,947
Step-by-step explanation:
Hope this helps have a nice day
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