Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 11 Oct 2017 My Price 6.00

license plates

13  A certain state has license plates showing three numbers and three letters.

How many different license plates are possible

 

(a)     if the numbers must come before the letters?

(b)     if there is no restriction on where the letters and numbers appear?

 

14  The door on the computer center has a lock which has five buttons numbered from 1 to 5. The combination of numbers that opens the lock is a  sequence of five numbers and is reset every week.

 

(a)     How many combinations are possible if every button must be used once?

 

 

(b)     Assume that the lock can also have combinations that require you to push two buttons simultaneously and then the other three one at a time. How many more combinations does this permit?

Answers

Maurice Tutor
(5)
Status NEW Posted 11 Oct 2017 02:10 PM My Price 6.00

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