you take the four digits and multiply 4 by 4 you get 16 digits
pizza
The four-digit numbers that can be formed using the digits 6, 7, 8, and 9, without repetition, are all the permutations of these four digits. There are 24 possible combinations, including numbers like 6789, 6798, 6879, and so on. Essentially, any arrangement of these four digits constitutes a valid four-digit number.
4*3*2*1 = 24
256
how make the answer im don/now
10,000
pizza
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.
4*3*2*1 = 24
128
256
how make the answer im don/now
Four digit numbers span from 1000 to 9999. This totals (9999-1000) +1 = 9000 different four digit numbers
1
18 (and 6 more starting with a 0).
There are 320 such numbers.
It is 415968.