For the numbers 1 - 9 there are 9 × 1 = 9 digits
For the numbers 10 - 99 there are 90 × 2 = 180 digits
For the numbers 100 - 999 there are 900 × 3 = 2,700 digits
For the numbers 1000 - 9999 there are 9000 × 4 = 36,000 digits
For the number 10000 there are 1 × 5 = 5 digits
In total there are 9 + 180 + 2,700 + 36,000 + 5 = 38,894 digits.
10 digits are numbers in the billions.
there are 899 whole numbers that have three digits.
99999
two
There are 5 numbers of 1 digit, 25 numbers of 2 digits, and 75 numbers of 3 digits. This makes 105 numbers in all.
110000
10 digits are numbers in the billions.
there are 899 whole numbers that have three digits.
525
There are 5 numbers of 1 digit, 25 numbers of 2 digits, and 75 numbers of 3 digits. This makes 105 numbers in all.
-99
99999
two
how many numbers exactly have 4 digits ? 8900, 8999, 9000, 9999
There are infinitely many pairs. Two examples are 55000 and 55000, or 100000 and 10000.
Oh, dude, you're hitting me with the math questions now? Okay, okay, let me dust off my calculator... So, 4.2% of 110,000 is like 4,620. But like, who really needs to know that, right? Just throw a random number out there and call it a day.
17 digits