(987 + 13)(6 + 4) x 2 x 5 = 1000 x 10 x 10 = 100000
24680
24
4p3*3p1 equal to 72 ways
10 x 9 x 8 = 720.
60
24680
93,876
24
4p3*3p1 equal to 72 ways
0 you can only have 3 layers since you have only 3 numbers so without repeating you would only have 3 layers
10 x 9 x 8 = 720.
There are 840 4-digit combinations without repeating any digit in the combinations.
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.
60
To form a 4-digit number using the digits 2, 6, 9, and 5 without repeating any digit, you can use all four digits. The number of ways to arrange 4 digits is calculated as 4! (4 factorial), which equals 24. Therefore, you can form 24 different 4-digit numbers with the numerals 2695 without repeating any digit.
502 205 250 520 4 numbers. If a leading zero is allowed then you can have 052 and 025 for 6 numbers.
468, 486, 648, 684, 846, 864.