SOLUTION: Please help me solve this worded problem: Using 2,3,5 and 7, how many 2 digit number can you form if no digit may be repeated? How many two digit even number were formed? How many
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Question 881549: Please help me solve this worded problem: Using 2,3,5 and 7, how many 2 digit number can you form if no digit may be repeated? How many two digit even number were formed? How many two digit number can be formed if any digit may be repeated?
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
23
25
27
32
35
37
52
53
57
72
73
75
Which of those are even?
.
If you can repeat a number:
22
23
25
27
32
33
35
37
52
53
55
57
72
73
75
77
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