answersLogoWhite

0


Best Answer

The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.



The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.



The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.



The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.

User Avatar

Wiki User

11y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

11y ago

The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many 4 number combinations using 2 3 4 5 6 7 8?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How many 4 number combinations are there using 1 2 3 4 5?

There are 120 permutations and 5 combinations.


How many combinations can you make with 2 letters?

Assuming you are using the standard English alphabet, the number of combinations you can make are: 26 x 26 = 676 combinations.


How many 6 number combinations using digits 1 2 3 4 5 6?

654321-100000= 554321 combinations


How many combinations of 2 and 3 digit number using 4 and 8?

the answer is = first 2-digit number by using 48= 28,82 and in 3 digit is=282,228,822,822


How many 2 number combinations can be made out of 7 numbers?

2 to the 7th power = 128 * * * * * No. That is the total number of combinations, consisting of any number of elements. The number of 2 number combinations is 7*6/2 = 21


How many 6 digit combinations of 353553 using each number once?

factorial six tat is 6*5*4*3*2*1=720 combinations


How many combinations of 7 numbers are there using 0 through 9?

The number of combinations of 7 numbers from 10 is 10C7 = 10*9*8/(3*2*1) = 120


How many 4 number combinations are their using numbers 0 9?

10,000 * * * * * WRONG! That is the number of permutations, NOT the number of combinations. The number of combinations denoted by nCr = n!/[r!*(n-r)!] = 10!/[4!*6!] = 10*9*8*7/(4*3*2*1) = 210


How many 6 number combinations using numbers 1 2 and 3 and what are they?

123 132 213 231 312 321


How many 4 number combinations are their using numbers 2-6?

If each number can be used only once then there are just four: 2345, 2346, 2456 and 3456. There are no others because the order of the digits does not matter in combinations.


How many different 2 number combinations are with 243?

Three combinations: 23, 24 and 34


How many different combinations of numbers can you make using 1 2 10 25 and 100?

Their is 25 combinations