Ask Question
7 May, 14:36

A garage door opener has a 10 number key pad. The codes must be 5 digits long with no adjacent digits the same. How many codes are possible?

+3
Answers (1)
  1. 7 May, 18:07
    0
    Based on the same argument, the fourth and fifth digits also have 9 choices each.

    Hence, the total number of possible codes are:

    10 X 9 X 9 X 9 X 9

    = 65610
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A garage door opener has a 10 number key pad. The codes must be 5 digits long with no adjacent digits the same. How many codes are possible? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers