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The first digit can be any one of them ... 1, 2, 3, 4, 5 ... five choices. For each one . . .
The second digit can be any one of them ... five choices. For each one . . .
The third digit can be any one of them ... five choices. For each one . . .
The fourth digit can be either 2 or 4 ... two choices.
Total number of 4-digit possibilities: (5 x 5 x 5 x 2) = 250
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∙ 12y ago
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How many even numbers are in the number 273?
None. There is 1 even digit but that is not the same thing.
How many 9 digit numbers using 1-9 once are prime?
None.
How many 3 digit whole numbers can you write using the digits 1 3 5 and 7 if no digit can be used twice?
24.
How many four digit numbers can you write using the digits 1 2 3 0 without repeating?
The answer is 3*3*2*1 = 18. If the leading digit is 0 it is not a 4-digit number.
How many values are possible using a single binary digit?
Answer: 2The values are 0 or 1.
How many combinations are there for a 8 digit number 1-8?
Using the eight digits, 1 - 8 ,-- There are 40,320 eight-digit permutations.-- There is 1 eight-digit combination.
How many even numbers are in the number 273?
None. There is 1 even digit but that is not the same thing.
How many 3 digit numbers can you make using only 1 and 2 using it as many times as you want?
8 of them.
How many 4 digit numbers can be created using 5 6 7 and 8 using each digit only 1 time in a number?
24 = 4*3*2*1 of them
How many 4 digit combanations using the numbers 1-7?
There are 840 4-digit combinations without repeating any digit in the combinations.
How many 2 digit numbers can you get using 1 and 2 and 6 and 7?
eight
How many 9 digit numbers using 1-9 once are prime?
None.
How many 3 digit whole numbers can you write using the digits 1 3 5 and 7 if no digit can be used twice?
24.
How many four digit numbers can you write using the digits 1 2 3 0 without repeating?
The answer is 3*3*2*1 = 18. If the leading digit is 0 it is not a 4-digit number.
How many two digit numbers can you make using the digits 1 2 and 3?
9
If using numbers 1 - 9 how many two digit combinations can be found?
-8
How many values are possible using a single binary digit?
Answer: 2The values are 0 or 1.
