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How many different ways can you set a 4 digit lock using numbers 1-9 code if you do not repeat a dig it?
Wiki User
∙ 9y ago
There are 3024 ways.
9 choices for the first digit,
8 choices for the second digit (you can't repeat the one you just used),
7 choice for the 3rd digit,
6 choice for the last digit.
9x8x7x6 = 72x42 = 72(40+2) = 2880+144 = 3024.
Wiki User
∙ 9y ago
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How many different three digit numbers can be written using the digits 1 through 9?
You can select 9 numbers for the first digit, 8 numbers for the second digit, and 7numbers for the third digit; so 504 (e.g. 9*8*7) different three digit numbers can be written using the digits 1 through 9.
How many 3 digit numbers can be written using the digits 3 5 and 7?
Six, if you don't repeat any.
What are the the 3 digit numbers using 1345678?
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
How many 4 digit numbers can be formed by the digits 1 2 3 4 using each digit only once?
24 different numbers.
How many different five digit numbers can you make using 1 2 3 4 6?
55----------------------------------------------------------------------------------------------From Rafaelrz.You can make, 5! = 120, five digit numbers using 1,2,3,4 and 6.
How many 3-digit numbers can made using the digits 2 3 4?
If you can repeat a digit, there are 27. If you can't repeat a digit, there are only 6.
How many 3 digit numbers can be formed using 2 6 8?
6, if you don't repeat any numbers.
How many combinations are there for a 6 digit number using the numbers 0 to 9?
If you can repeat the numbers within the combination there are 10,000 different combinations. If you cannot repeat the numbers within the combination, there are 5040 different combinations.
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 different three digit numbers can be written using the digits 1 through 9?
You can select 9 numbers for the first digit, 8 numbers for the second digit, and 7numbers for the third digit; so 504 (e.g. 9*8*7) different three digit numbers can be written using the digits 1 through 9.
How many 3 digit numbers can you make using 1 2 6?
Six, if you don't repeat any digits.
How many possibilities are there creating a 4 digit password using the digits 0-9 you may repeat numbers?
9999
How many 3 digit numbers can be written using the digits 3 5 and 7?
Six, if you don't repeat any.
How many two digit numbers can you form using the digits 1235679 with repetition allowed?
You have seven different digits (symbols) to choose from, so you can form seven different one digit numbers and 7×7=72=49 different two digit numbers.
What is the smallest 5 digit number using 4 different numbers?
1,023.
How many 4 digit combinations can be made using numbers 1 2 3 4 6?
120 combinations using each digit once per combination. There are 625 combinations if you can repeat the digits.
What are the the 3 digit numbers using 1345678?
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
