SOLUTION: a. How many three digit-numbers can be formed from the digits 1,2,3,4,5 and 6 if each digit can be used only once? b. How many of these are odd? c. How many are greater than 600?

Algebra ->  Probability-and-statistics -> SOLUTION: a. How many three digit-numbers can be formed from the digits 1,2,3,4,5 and 6 if each digit can be used only once? b. How many of these are odd? c. How many are greater than 600?      Log On


   

Question 606632: a. How many three digit-numbers can be formed from the digits 1,2,3,4,5 and 6 if each digit can be used only once?
b. How many of these are odd?
c. How many are greater than 600?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a. How many three digit-numbers can be formed from the digits 1,2,3,4,5 and 6 if each digit can be used only once?
Ans: 6!
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b. How many of these are odd?
last digit is 1,3,or 5
Ans: 3*5!
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c. How many are greater than 600?
1st digit must be 6
Ans: 1*5!
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Cheers,
Stan H.