To open a safe, three digits must be entered on a keypad. The keypad contains the numbers 0-9. The numbers need to be entered in a certain order to open the safe.    How many combinations are there to this safe if the numbers CAN repeat?_________________________________________       After reading more in the manual you find that no number can be repeated in the combination.  How many possible combinations are there with this new information?_________________________________________________       If no numbers can repeat, what is the probability the code is 123

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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To open a safe, three digits must be entered on a keypad. The keypad contains the numbers 0-9. The numbers need to be entered in a certain order to open the safe. 

 

How many combinations are there to this safe if the numbers CAN repeat?_________________________________________

 
 
 

After reading more in the manual you find that no number can be repeated in the combination.  How many possible combinations are there with this new information?_________________________________________________

 
 
 

If no numbers can repeat, what is the probability the code is 123

________________________________
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