Q 1: 999= 990 + 9 900 + 99 900 + 90 + 9
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Q 2: 457,000= 400,000 + 50,000 + 700 400,000 + 50,000 + 7 400,000 + 50,000 + 7,000
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Q 3: 3,079= 30 + 79 3000 + 79 3000 + 70 + 9
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Q 4: 30,908, 000= 30,000,000 + 900,000 + 8,000 30,000,000 + 900,000 + 800 30,000 + 9,000 + 800
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Q 5: 60,040= 6,000 + 40 600 + 40 60,000 + 40
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Q 6: 23,456= 23 + 456 20,000 + 3,000 + 400 + 50 + 6 23,000 + 400 + 50 + 6
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Q 7: 872= 800 + 70 + 2 870 + 2 800 + 72
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Q 8: 700,060= 70,000 + 6 7,000 + 60 700,000 + 60
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