Q: How Many Digits in the Number 400,234,021?

 A: The number 400,234,021 has 9 digits.

How does 400,234,021 have 9 digits?

You simply count the number of digits from the first number to the last. Like this:


400234021
Digit # 123456789

What are the number of digits of the numbers near 400,234,021?

400,234,019400,234,020400,234,022400,234,023
9999

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