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Question

how many positive 4-digit numbers are there with an even digit in the hundreds position and an odd digit in the tens position?
a. 10,000
b. 5,040
c. 2,500
d. 2,250
7 years ago

Answers

Steve
1st digit has 9 choices
2nd has 5
3rd has 5
4th has 10
so, ...
7 years ago

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