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| Math Central | Quandaries & Queries |
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Question from tonnie, a student: Hi, im tonnie, my question is what are all the 4 digit number combinations that start with the number 2? |
Hi Tonnie,
A while ago I answered a question that asked for all 4 digit numbers. Use the same technique to construct a list of all three digit numbers and then put a 2 in front of each of them to obtain the list of the four digit numbers you want.
Harley
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