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How many 4 digit numbers can are there with distinct digits?
4,536 whole numbers or mixed numbers. 5,040 pure decimals.
How many counting numbers have four distinct nonzero digits such that the sum of the four digits is 10?
1,2,3,4 1+2+3+4=10 4 times 3 times 2 times 1 =24 24 counting numbers
How many counting numbers have four distinct nonzero digits that have the sum of the four digits is 11?
1235; 1253; 1325; 1352; 1523; 1532; 2135; 2153; 2315; 2351; 2513; 2531; 3125; 3152; 3215; 3251; 3512; 3521; 5123; 5132; 5213; 5231; 5312; 5321. These are 24 such numbers which have four distinct nonzero digits and add up to 11.
How many three digit numbers have three distinct digits?
For a 3 digit number, the left most or the most significant digit cannot be zero. So it can be 1,2,3,4,5,6,7,8 or 9 which is 9 possibilities. The middle number can be 0,1,2,3,4,5,6,7,8,9 which is 10 possibilties but one of the digits has been chosen already as the first digit, so the possibilities are only 9. The right most number can be 0,1,2,3,4,5,6,7,8,9 which is 10 possibilities but two of the digits have been already used by the left most and the middle digits. That leaves only 8 possibilities. So the total number of three digit numbers that have three distinct digits is 9 x 9 x 8 = 81 x 8 = 648 possibilities
How many strings of 3 decimal digits do not contain the same 3 digits?
How many strings of three digits are there? 000 to 999, or a total of 1000. How many strings of three digits contain the same three digits? That's 000, 111, 222 ... 999! ten in total. The difference is your answer: 1000-10 = 990.
What are 8 digit odd numbers with all digits different?
There are only five distinct odd digits.
How many 7 digits telephone numbers are there that begin with 123 and that contain 3 or 7?
Since the numbers begin with 123, they all contain a 3. As a result, they all "contain 3 or 7". So the remaining 4 digits can be any digits and this gives 104 = 10,000 such numbers.
What is a 4 digit ODD numbers have all 4 digits distinct?
5555
How many 4 digit numbers can are there with distinct digits?
4,536 whole numbers or mixed numbers. 5,040 pure decimals.
How many counting numbers have four distinct nonzero digits such that the sum of the four digits is 10?
1,2,3,4 1+2+3+4=10 4 times 3 times 2 times 1 =24 24 counting numbers
How many keystrokes are needed to type numbers from 1 to 1000?
There are nine numbers which contain only one digit. There are 90 numbers which contain two digits. There are 900 numbers which contain three digits. There is one number which contains four digits.Therefore, the number of digits is equal to (9x1)+(90x2)+(900x3)+4 = 2893 digits. If this includes spaces, there would be 999 spaces, therefore there would be 3892 keystrokes.
How many digits in a California inmate id number?
California inmate ID numbers contain six digits.
How many three digit numbers contain any odd digits?
874
How many numbers are there in a credit card number?
Most credit cards in the United States contain 16 digits broken into four groups of four digits. American Express cards contain 15 digits, however.
What percent of the numbers from 0 to 99 contain both even and odd digits?
45 percent are both even and odd digits
What is the smallest 6-digit number using three distinct digits?
100122 or, if negative numbers are permitted, -998877
How many 3 digit numbers can be formed using the digits 2 3 5 6 7 9 if repetition of digits is not allowed?
120 There are 6 digits in total. The numbers with 3 digits, with all digits distinct from each other, are the permutations of the 6 digits taken 3 at a time, and therefore there are 6*5*4 = 120 of them.
