* Express the following numbers in International system using commas and write them in words:26. 648295825 -27. 5930086 -28. 400050008 -29. 4087392132 -30. How many lakhs make a million?31. How many millions make a billion??
* Express the following numbers in International system using commas and write them in words:26. 648295825 -27. 5930086 -28. 400050008 -29. 4087392132 -30. How many lakhs make a million?31. How many millions make a billion??