SOLUTION: A computer requires eight characters for a password. The first character must be a letter and the remaining seven characters can be either a number or a letter. Lower and upper cas
Algebra ->
Probability-and-statistics
-> SOLUTION: A computer requires eight characters for a password. The first character must be a letter and the remaining seven characters can be either a number or a letter. Lower and upper cas
Log On
Question 426083: A computer requires eight characters for a password. The first character must be a letter and the remaining seven characters can be either a number or a letter. Lower and upper case are considered the same. How many passwords are possible?
I think the answer is 26*36*36*36*36*36*36*36 = 26*36^7 = 2.821x10^12 .... ?
I don't know if I am doing this right or not ... ? Answer by richard1234(7193) (Show Source):