Question

648340021 is written with commas as (International System)

• A. 648,340,021
• B. 6,4,8,3,4,0,0,2,1
• C. 64,83,40,02,1
• D. none

Answer 1

The correct option is A 648,340,021

In International System commas are introduced after every 3 digits starting from right to left side

In Indian System commas are introduced after 3 digits for one time and then after 2 digits starting from right to left side.

given the number $648340021$

International System:

$648340021=648,340,021$

Indian System :

$648340021=64,83,40,021$

So option $A$ is correct