Five numbers (5, 6, 7, 8, 9) can be selected for each of the 5 digits. So, there are 5*5*5*5*5 or 55 or 3125 five digit numbers.
27 three digit numbers from the digits 3, 5, 7 including repetitions.
24
It is possible to create a 3-digit number, without repeated digits so the probability is 1.
A lot. And there is akways the code. 1234
The largest 10-digit number with no digit repeated is 9876543210 !
823543
81
There are 5! = 120 such numbers.
To form a four-digit number without repeating any digits from 56789, we need to choose 4 different digits out of the 5 available. This can be done in 5 choose 4 ways, which is equal to 5! / (4! * (5-4)!) = 5 ways. Therefore, there are 5 four-digit numbers that can be formed out of 56789 without repeating any digits.
27 three digit numbers from the digits 3, 5, 7 including repetitions.
5040 different 4 digit numbers can be formed with the digits 123456789. This is assuming that no digits are repeated with each combination.
3x3x3=27
24
500
4*3*2*1 = 24
There are 3 values (1, 2, 3) for each of the 4 digits. Therefore, there are 3*3*3*3 or 81 four digit numbers that can be formed.
1 set