A computer password consists of eight characters. Replications are allowed. Part 1 of 5 (a) How many different passwords are possible if each character may be any lowercase letter or digit? Enter your answer in scientific notation with two digit of accuracy after the decimal point. The possible number of different passwords is 2.82 x 1012 Part: 1/5 Part 2 of 5 (b) How many different passwords are possible if each character may be any lowercase letter? Enter your answer in scientific notation with two digits of accuracy after the decimal point. The possible number of different passwords is x10