Mathematics
Write each of the following in expanded form :
(i) 5,16,287
(ii) 13,25,694
(iii) 8,08,808
(iv) 64,72,319
(v) 1,36,04,107
(vi) 9,36,50,519
Number System
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Answer
(i) Expanding,
5,16,287 = 5 × 1,00,000 + 1 × 10,000 + 6 × 1,000 + 2 × 100 + 8 × 10+ 7 × 1
= 5,00,000 + 10,000 + 6,000 + 200 + 80 + 7.
(ii) Expanding,
13,25,694 = 1 × 10,00,000 + 3 × 1,00,000 + 2 × 10,000 + 5 × 1,000 + 6 × 100 + 9 × 10 + 4 × 1
= 10,00,000 + 3,00,000 + 20,000 + 5,000 + 600 + 90 + 4.
(iii) Expanding,
8,08,808 = 8 × 1,00,000 + 0 × 10,000 + 8 × 1,000 + 8 × 100 + 0 × 10 + 8 × 1
= 8,00,000 + 8,000 + 800 + 8.
(iv) Expanding,
64,72,319 = 6 × 10,00,000 + 4 × 1,00,000 + 7 × 10,000 + 2 × 1,000 + 3 × 100 + 1 × 10 + 9 × 1
= 60,00,000 + 4,00,000 + 70,000 + 2,000 + 300 + 10 + 9.
(v) Expanding,
1,36,04,107 = 1 × 1,00,00,000 + 3 × 10,00,000 + 6 × 1,00,000 + 0 × 10,000 + 4 × 1,000 + 1 × 100 + 0 × 10 + 7 × 1
= 1,00,00,000 + 30,00,000 + 6,00,000 + 4,000 + 100 + 7.
(vi) Expanding,
9,36,50,519 = 9 × 1,00,00,000 + 3 × 10,00,000 + 6 × 1,00,000 + 5 × 10,000 + 0 × 1,000 + 5 × 100 + 1 × 10 + 9 × 1
= 9,00,00,000 + 30,00,000 + 6,00,000 + 50,000 + 500 + 10 + 9.
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