Q 3: 457,000= 400,000 + 50,000 + 700 400,000 + 50,000 + 7 400,000 + 50,000 + 7,000
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Q 4: 3,690, 217 = 3,000,000 + 600,000 + 90,000 + 200 + 70 3,000,000 + 600,000 + 90,000 + 200 + 10 + 7 3,000,000 + 600,000 + 90,000 + 200 + 7
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Q 5: 23,456= 23,000 + 400 + 50 + 6 23 + 456 20,000 + 3,000 + 400 + 50 + 6
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Q 6: 6,987= 6,000 + 900 + 87 6,900 + 80 + 7 6,000 + 900 + 80 + 7
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