0
From 1 to 99, there are 99 numbers.
The first nine of them ... 1 through 9 ... have only one digit, so discard them.
So there are (99 - 9) = 90 positive whole numbers with 2 digits.
And another 90 negative whole numbers with 2 digits.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
If using 7 single digit numbers how many different combinations can you get?
Number of 7 digit combinations out of the 10 one-digit numbers = 120.
How many 6 digits numbers can be formed from the digit 01357 and 9 which are divisible by 10 and no digit is repeated?
There are 5! = 120 such numbers.
How many six digit numbers that is numbers between 100000 and 999999 are divisible by 10?
There are 90,000 such numbers.
How many four-digit counting numbers are not multiples of 10?
8100
How many 4-digit numbers are there in base-10 system?
14
How many six digit numbers can be formed using the digits 0123456789 Example equals 123456 or 098765?
The number of six digit numbers that you can make from ten different digits ifrepetitions of same digit on the six digit number is allowed is 1 000 000 numbers(including number 000 000).If no repetitions of the the same digit are allowed then you have:10P6 = 10!/(10-6)! = 151 200 different six digit numbers(six digit permutations form 10 different digits).
How many 4 digit numbers have 6 as their second digit?
There are 9 digits that can be the first digit (1-9); for each of these there is 1 digit that can be the second digit (6); for each of these there are 10 digits that can be the third digit (0-9); for each of these there are 10 digits that can be the fourth digit (0-9). → number of numbers is 9 × 1 × 10 × 10 = 900 such numbers.
How many two digit counting numbers are not multiples of ten?
I believe there are 81. There are 9 after every multiple of 10, including 90.
How many numbers exactly have 1 digit?
the right answer is 10 cause there is o,1,2,3,4,5,6,7,8,9 so there 10 numbers in total which have 1 digit
How many two digit numbers are there?
There are 90 two-digit numbers... starting with 10 and ending with 99.
How many 10 digit numbers can be formed using each digit once?
ten factorial = 10! = 3,628,800
If using 7 single digit numbers how many different combinations can you get?
Number of 7 digit combinations out of the 10 one-digit numbers = 120.
How many 2 digit numbers have no 2 at all?
72. (with the range of two digit numbers being from 10 to 99).
How many 2 digit numbers can be formed by adding two 1 digit numbers?
3
How many three digit counting numbers are not multiples of 10?
There are 9*10*9 = 810 such numbers.
How many three digit numbers are there?
There are 900 three digit numbers. (99 - 1000) (# of possible numbers in the first position = 9) (# of possible numbers in the second position = 10) (# of possible numbers in the third position = 10) 9 *10 *10 = 900
How many 3 digit numbers can be created if no digit can be repeated?
720 (10*9*8)
