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where ? and # are digits. One of these digits is the largest digit, 9, and the other is either 0 or 1. The number in the hundreds place, ?, is odd and the 4 digit number itself is odd so # is odd. Thus neither ? nor # can be 0. Hence the number is either
Which one rounds to 3000 when rounded to the nearest thousand? What happens if the thousands digit is 3? Penny  


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