SOLUTION: 5. How many numbers may be formed by using 4 out of the 5 digits 1,2,3,4,5.
(c) begin with 2,
(d) end with 25?
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-> SOLUTION: 5. How many numbers may be formed by using 4 out of the 5 digits 1,2,3,4,5.
(c) begin with 2,
(d) end with 25?
Show full solution, thank you!
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Question 1191179: 5. How many numbers may be formed by using 4 out of the 5 digits 1,2,3,4,5.
(c) begin with 2,
(d) end with 25?
Show full solution, thank you! Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! 5. How many numbers may be formed by using 4 out of the 5 digits 1,2,3,4,5.
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Each choice is 1 of 5 ---> 5*5*5*5 = 625
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(c) begin with 2
The following 3 are 1 of 5 ---> 5*5*5 = 125
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(d) end with 25?
The first 2 are 1 of 5 ---> 5*5 = 25
