# arithmetic

how many three-digit integers greater than 500 contain only odd digits

1. 👍 0
2. 👎 0
3. 👁 67
1. The first number has to be 5, 7, or 9
The second number has to be 1,3,5,7,or 9
and so on. The number of integers will be 3*5*?

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2. 👎 0

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