Question

$9849475825$ can be written with commas in International system as

• A. $9,84,94,75,825$
• B. $9,849,475,825$
• C. $9849,475,82,5$
• D. $9,8,4,9,4,7,5,8,2,5$

Answer 1

The correct option is B $9,849,475,825$

The given number is $9849475825$

In international numbering system,
The 1st period consists of - ones, tens and hundred.
The 2nd period consists of - thousand, $10$ thousand and $100$ thousand.
The 3rd period consists of - million, $10$ million and $100$ million.
The 4th period consists of - billion, $10$ billion and $100$ billion.

$\therefore$ $9849475825$ is written with commas as (International System)$=9,849,475,825$

Hence, Option $B$ is correct.