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  1. Chapter 1 Class 6 Knowing our Numbers
  2. Serial order wise
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Transcript

Ex 1.1, 4 Insert commas suitably and write the names according to International System of Numeration : (a) 78921092 78921092 To write comma s we start from right. And write comma s after 3, 6, 9 digits. 78, 921, 092 According to International System 3 zeroes is thousand 6 zeroes is million 9 zeroes is billion 78, 921, 092 So, the number is Seventy - Eight Million, ninety - two. Ex 1.1, 4 Insert commas suitably and write the names according to International System of Numeration : (b) 7452283 7452283 To write comma s we start from right. And write comma s after 3, 6, 9 digits. 7, 452, 283 According to International System 3 zeroes is thousand 6 zeroes is million 9 zeroes is billion 7, 452, 283 So, the number is Seven million, Two hundred Eighty three. Ex 1.1, 4 Insert commas suitably and write the names according to International System of Numeration : (c) 99985102 99985102 To write comma s we start from right. And write comma s after 3, 6, 9 digits. 99, 985, 102 According to International System 3 zeroes is thousand 6 zeroes is million 9 zeroes is billion 99, 985, 102 So, the number is Ninety nine million, One hundred two Ex 1.1, 4 Insert commas suitably and write the names according to International System of Numeration : (d) 48049831 48049831 To write comma s we start from right. And write comma s after 3, 6, 9 digits. 48, 049, 831 According to International System 3 zeroes is thousand 6 zeroes is million 9 zeroes is billion 48, 049, 831 So, the number is Forty eight million, Thirty one.

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.