Because they are common to both the Hindu and Arabic language.
Chat with our AI personalities
Because that's where they originated from the Hindu-Arabic numerals of: 0 1 2 3 4 5 6 7 8 and 9
It originated from the Indian subcontinent where the concept of zero was introduced into numbers what today we now call the Hindu-Arabic numeral system.
The Indians started the Hindu numeral system. We call it the Hindu-Arabic system because it was the Arabs of North Africa who brought the system to Europe.
This is because the numbers we use today come from Hinduism.
It is the Hindu-Arabic numeral system that uses the digits of: 1 2 3 4 5 6 7 8 9 and 0