how can we write 123456789 in the indian as well as international system of numeration?

Hi!

Here is the answer to your question.

 

Separating the periods of ones, thousands, lakhs and cores from right, we get

Thus, the number 123456789 can be written in Indian system of numeration as 12, 34, 56, 789.

 

Separating the periods of ones, thousands and lakhs from right; we get

Thus, the number 123456789 can be written in International system of numeration as 123, 456, 789.

 

Cheers!