SOLUTION: How many 5-digit numbers are there which have an even tens digit and an odd ones digit?

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Question 259640: How many 5-digit numbers are there which have an even tens digit and an odd ones digit?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
1/2 have an even tens digit and 1/2 have an odd one's digit.
1/2 * 1/2 = 1/4 have both
.
Ed