Question

You need to create a password that is 2 digits long and each digit can be repeated? How many

Answer 1

A total of 100 passwords can be created

Digits

The number of digits in the password is given as:

$n = 2$

In the numbering system, the number of digits is:

$r = 10$

Counting principle

Using the counting principle, and the digits can be repeated;

The total number of passwords that can be created is:

$Total =r^n$

Substitute values for r and n

$Total =10^2$

$Total =100$

Hence, a total of 100 passwords can be created

Read more about counting principle at:

brainly.com/question/4747487