Acomputer password consists of four characters. the characters can be one of the 26 letters of the alphabet. each character may be used more than once. how many different passwords are possible

358,800

Step-by-step explanation:

To find the number of possible passwords, we use the permutation formula:

Our variables are:

n = 26

k = 4

There are 358,800 possible password when there are 4 characters

need more information

step-by-step explanation:

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.