Write the following numbers in Indian place value notation: (a) One crore one lakh one thousand ten (b) One billion one million one thousand one (c) Ten crore twenty lakh thirty thousand forty (d) Nine billion eighty million seven hundred thousand six hundred
1,01,01,010
1,00,10,01,001 (Indian notation)
10,20,30,040
9,08,07,00,600
Explanation
(a) One crore = 1,00,00,000; one lakh = 1,00,000; one thousand = 1,000; ten = 10. Combined: 1,01,01,010 (b) One billion = 100 crore = 1,00,00,00,000; one million = 10 lakh = 10,00,000; one thousand = 1,000; one = 1. Combined: 1,00,10,01,001 (c) Ten crore = 10,00,00,000; twenty lakh = 20,00,000; thirty thousand = 30,000; forty = 40. Combined: 10,20,30,040 (d) Nine billion = 900 crore; eighty million = 8 crore; seven hundred thousand = 7 lakh; six hundred = 600. Combined: 9,08,07,00,600