Question

why our phone numbers always of 10 digit ?​

Answer 1

Explanation:

IT IS NOT TRUE FOR ALL THE COUNTRIES.

GSM SYSTEM OF COUNTRIES ARE DIFFERENT AND IF ALL COUNTRY APPLY 10 DIGIT THAN I DON'T KNOW WHAT WILL HAPPEN

Answer 2

Answer:

mark me the brainliest

#answerwithquality #bal

Explanation:

More the digits, more the number of subscribers.

10 digits ⇒ 10¹⁰ subscribers

If only 3 digits were there then only 10³ people will own a num