We'll assume that you only want to talk about whole numbers.
The smallest 7-digit number is 1,000,000. The largest one is 9,999,999.
They represent (all of the counting numbers up to 9,999,999) minus (the first 999,999).
That leaves 9,000,000 numbers.
999999
The number 74.30 has four significant digits. The digits 7 and 4 are significant, as well as the 3 and the trailing 0 after the decimal point, which indicates precision. Therefore, all four digits contribute to the number's precision.
It takes 7 digits.
The number 70.8 has three significant figures. The digits 7, 0, and 8 are all considered significant because the zero is between non-zero digits.
1234567
8,999,999 of them.
1234567
1000000
999999
2014 ( The sum of the digits = 7, a prime number )
it is usually 3 digits followed by 7 split up
It takes 7 digits.
Telephone numbers throughout Russia are uniformly 3 digits for the area code plus 7 digits for the local number.
7
are the last TWO digits of 5347. 5, 3, 4, and 7 are all digits of the number 5347.
9
52488