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Lisa, 2. The digit in the thousands place will be a 1 or a 2.
3. The digit in the hundreds place will be a 2, 4, or 6.
4. The digit in the tens place will be an odd number.
5. The digit in the ones place will be greater than six.
Now, all these choices are independent, so the final answer is obtained by multiplying. Good Hunting!
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Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. |