Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A security system uses a four-letter password, but no letter can be used more than once. How many possible passwords are there if 9 of
A security system uses a four-letter password, but no letter can be used more than once. How many possible passwords are there if 9 of the letters of the alphabet can be used by the system? So I am confused do I take in to question that there are 26 letters in the alphabet or not? It does not give that in the actual questions
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started