Question 1055991
If I have a list of numbers 0-9 and I have a 4 digit code how many possible solutions are there
<pre><b>If 0000 is one, then each of the 4 digits can be chosen from any of the 10 (0 - 9) digits, so possible 4-digit codes total: {{{highlight_green(matrix(1,5, 10^4, or, "10,000", unique, combinations))}}}