A password is 4 characters long and must consist of 3 letters and 1 of 10 special characters. If letters can be repeated and the

Question

3 years ago

12

special character is at the end of the password, how many possibilities are there?

2 answers:

Lena [83] · Answer 1 · 2022-03-26T19:44:49+03:00

Lena [83]3 years ago

8 0

175760 is the answer

Galina-37 [17] · Answer 2 · 2022-03-26T21:25:20+03:00

4 0

1st digit = 1 of 26 letters

2nd digit = 1 of 26 letters

3rd digit = 1 of 26 letters

4th digit = 1 of 10 special characters

26 x 26 x 26 x 10 = 175,760 possibilities