Question

Help with this question and can you please tell me how to do it :)

if there are any links I will report you and get you banned

Answer 1

59049

1 / 59049

Explanation:

for five digit pin

five blank spaces are there to fill

as repetition is allowed every blank space has 9 possible digits to fill

so total ways = 9 * 9 * 9 * 9 * 9 = 9^5 = 59049

so probability is 1 / 59049 as there is only one correct code

refer the picture below