There are 35C4 = 35*34*33*32/(4*3*2*1) = 52,360 combinations.
There are 840 4-digit combinations without repeating any digit in the combinations.
There are only five combinations: 1234, 1235, 1245, 1345 and 2345.
9,876,543,210 9876543210
Decimal numbers that never end but that end up having a repeating pattern are called recurring decimals or repeating decimals.Examples would be 1/3 = 0.33333333...or 452/555 = 0.8144144144144144... (where 144 is the repeating pattern).Reaching that repeating pattern is known as becoming periodic. Only rational numbers will have a repeating pattern. (The repeating pattern may be 00000, as in 4/2 = 2.00000... .)If a decimal number continues forever without having a repeating pattern, then it is a irrational number. One example of a number that continues forever without repeating would be π (pi) which continues infinitely without repeating.Pi is also referred to as a transcendental number.
To make 20 using 6 numbers without repeating them, you can use the following equation: (5 + 4) x (3 + 2) - 1 = 20. This equation utilizes the numbers 5, 4, 3, 2, and 1 without repeating any of them to reach the target number of 20. By strategically combining these numbers using addition, multiplication, and subtraction, you can achieve the desired result.
There are 840 4-digit combinations without repeating any digit in the combinations.
11
93,876
There are only five combinations: 1234, 1235, 1245, 1345 and 2345.
The number of combinations, denoted by 11C6 is 11!/[6!*(11-6)!] = 11*10*9*8*7/(5*4*3*2*1) = 462
6
Without repeating, 4. With repeating, 8.
12354.
There are 46C5 = 46*45*44*43*42/(5/4/3/2/1) = 1,370,754 of them and I am not stupid enough to try and list them. You are welcome to try, though.
1,023,456,789
5040
To find all the combinations of the numbers 1204 without repeating any number, we can use the formula for permutations without repetition. There are 4 digits in the number 1204, so there are 4 factorial (4!) or 24 possible combinations. These combinations would include 1204, 1240, 1024, 1042, 1402, 1420, 2104, 2140, 2014, 2041, 2401, 2410, 4012, 4021, 4102, 4120, 4201, 4210, 1024, 1042, 1204, 1240, 1402, 1420.