Question

Insert commas suitably and write the number names according to International system of numeration : $77784203$

Answer 1

As per the International system of numeration, the following rules are followed to write a number:

1. We start assigning the commas from the right. After every three digits, a comma is inserted.
2. As per the norms

• 3 zeros represent a thousand
• 6 zeros represent a million
• 9 zeros represent a billion

Therefore,

$77784203\to$$77,784,203$

Number name of $77,784,203$ : Seventy-seven million seven hundred eighty-four thousand two hundred three.