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To calculate the number of 4-number combinations from 1 to 20, we can use the formula for combinations, which is nCr = n! / (r!(n-r)!), where n is the total number of items and r is the number of items to choose. In this case, n = 20 and r = 4. Plugging these values into the formula, we get 20C4 = 20! / (4!(20-4)!) = 4845. Therefore, there are 4845 different 4-number combinations possible from the numbers 1 to 20.
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Is there a number with 20 factors?
There are infinitely many numbers with 20 factors. yes there is
How many ways can the number 20 be written as the sum of 3 integers?
An infinite number of ways.
How many even number cards are in deck of cards?
There are 20 such cards.
Is 20 an even or odd number?
20 is an even number.
What is the middle number on a number line from 20 to 90?
55 is the middle number on a number line from 20 to 90.
How many 3 number combinations 1 to 6?
There are 6C3 = 20 such combinations.
How many unique 2 number combinations are there in the numbers 0 to 9?
There are 45 combinations.
How many five number combinations dose it have in 1 to 20?
The number of combinations is 20C5 = 20!/(15!*5!) = 20*19*18*17*16/(5*4*3*2*1) = 15,504
How many 5 digit combinations are there from 1-20?
To find the number of 5-digit combinations from 1 to 20, we first calculate the total number of options for each digit position. Since the range is from 1 to 20, there are 20 options for the first digit, 20 options for the second digit, and so on. Therefore, the total number of 5-digit combinations is calculated by multiplying these options together: 20 x 20 x 20 x 20 x 20 = 3,200,000 combinations.
How many combinations of amino acids do enzymes have?
Enzymes are proteins composed of 20 different amino acids, so the number of possible combinations of amino acids in an enzyme is vast, with 20 amino acids at each position in the protein chain. The total number of potential combinations is calculated as 20 raised to the power of the number of amino acids in the enzyme.
How many 1 letter and 1 number combinations can be made from 5 numbers and 4 letters?
20
How many 3 number combinations are there in the numbers 1 - 20?
Oh, what a happy little question! To find the number of 3-number combinations from 1 to 20, we can use a simple formula called combinations. It's like mixing colors on your palette! The formula is nCr = n! / r!(n-r)!, where n is the total numbers (20) and r is the number of selections (3). So, there are 1140 unique 3-number combinations waiting to be discovered in the numbers 1-20. Just imagine all the beautiful possibilities!
How many 3 digit combinations are there in 1 to 21?
I am assuming you mean 3-number combinations rather than 3 digit combinations. Otherwise you have to treat 21 as a 2-digit number and equate it to 1-and-2. There are 21C3 combinations = 21*20*19/(3*2*1) = 7980 combinations.
How many 4 number combinations using digits 1357 one and only once?
To calculate the number of 4-digit combinations using the digits 1, 3, 5, and 7 exactly once each, we can use the permutation formula. There are 4 choices for the first digit, 3 choices for the second digit, 2 choices for the third digit, and 1 choice for the fourth digit. Therefore, the total number of combinations is 4 x 3 x 2 x 1 = 24. So, there are 24 possible 4-digit combinations using the digits 1, 3, 5, and 7 exactly once each.
How many 6 digit combinations are there in 20 numbers?
Oh, what a lovely question! Let's paint a happy little picture here. To find the number of 6-digit combinations using 20 numbers, we can use a simple formula: 20P6, which stands for 20 permutations taken 6 at a time. This gives us 387,600 unique combinations to explore and create beautiful patterns with. Just imagine all the possibilities waiting to be discovered!
How many 9 digit combinations are there from 1 to 20-?
There are 167960 9 digits combinations between numbers 1 and 20.
How many possible combinations are there of 9 numbers from 20 drawn numbers?
There are 167960 combinations.
