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Distinct means different from all others. So there can be no repeated digits. Thus, 4124 is not possible because there are two '4' digits.
There are 9 ways to choose the first digit (1-9, as 0 is not possible). Subsequently, there are 9 choices for the second digit, since there are 10 possible digits (0-9), but we can't pick the same one as the first digit. Next, there are 8 ways to choose the 3rd digit, since we can't choose the same as either of the first two digits. Finally, there are 7 ways to choose the 4th digit.
The answer is 9 * 9 * 8 * 7 = 4536.
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∙ 12y ago
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How many integers between 1000-9999 have distinct digits?
9*9*8*7 = 4536
How many positive integers less than 1000 have distinct digits and are even?
405
How many positive integers less than 1000 have distinct digits?
10*9*8=720
How many integers are between 1000 and 10000?
9000 integers.
How many integers between 1 and 1000 are the product of two consecutive integers?
31.how do you solve?
How many odd integers between 1000 and 9999 have distinct digits?
There are 120 of them.
How many integers between 1000-9999 have distinct digits?
9*9*8*7 = 4536
How many integers with distinct digits are there between 1000 and 9999 such that the absolute value of the difference between the first and the last digit is 1?
952 of them.
How many integers with distinct digits are there between 1000 and 9999 such that the absolute value of the difference between the first and the last digit is 3?
An infinite amount
How many positive integers less than 1000 have distinct digits and are even?
405
How many positive integers less than 1000 have distinct digits?
10*9*8=720
How many integers are there between 100 and 1000 all of whose digits are odd?
There are 125 of them.
How many odd integers between 1000 and 8000 have only non zero digits?
How many
What is the sum of all the digits between 1000 and 2000?
The sum of all the integers between 1,000 and 2,000 is 1,498,500.
How many integers from 100 to 1000 contain NO repeated digits?
648
How many integers between 1000 and 9999 are divisible by 5 or 7?
There are 2828 integers between 1000 and 9999.
How many integers between 1 and 10 are dividends of 1000?
1, 2, 4, 5, 8, and 10, so only 6 digits.
