# SOLUTION: The code for a lock consists of 5 digits. The last number cannot be 0 or 1. How many different codes are possible? Six different books will be displayed in the library window. H

Algebra ->  Algebra  -> Permutations -> SOLUTION: The code for a lock consists of 5 digits. The last number cannot be 0 or 1. How many different codes are possible? Six different books will be displayed in the library window. H      Log On

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 Algebra: Combinatorics and Permutations Solvers Lessons Answers archive Quiz In Depth

 Question 613081: The code for a lock consists of 5 digits. The last number cannot be 0 or 1. How many different codes are possible? Six different books will be displayed in the library window. How many different arrangements are there? The three best essays in a contest will receive gold, silver, and bronze stars. There are 10 essays. In how many ways can the prizes be awarded? In a talent show, the top 3 performers of 15 will advance to the next round. In how many ways can this be done? Answer by solver91311(16885)   (Show Source): You can put this solution on YOUR website! 10 ways to choose the first digit times 10 ways to choose the second digit times 10 ways to choose the third digit times 10 ways to choose the fourth digit times 8 ways to choose the fifth digit. John My calculator said it, I believe it, that settles it