88 of them.
Multiples of 3 are easy to identify. Their digits add up to a multiple of 3.
There are 22 such numbers.
32C3 = 4960
Eight Digits: 30,000,000
2
there are five choices for each position, so 5^3 or 125 numbers.
"Thirty million three" = 30,000,003. Eightdigits.
4500
There are 720 of them. The three digit counting numbers are 100-999. All multiples of 5 have their last digit as 0 or 5. There are 9 possible numbers {1-9} for the first digit, There are 10 possible numbers {0-9} for each of the first digits, There are 8 possible numbers {1-4, 6-9} for each of the first two digits, Making 9 x 10 x 8 = 720 possible 3 digit counting numbers not multiples of 5.
10 digits are numbers in the billions.
there are 899 whole numbers that have three digits.