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That's a lotta numbers! (Posted on 2006-04-14)

Consider all nine-digit numbers consisting of one each of the digits 1 through 9.

What is the sum of these numbers?

See The Solution Submitted by Jer

Rating: 3.2500 (4 votes)

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That's a lotta numbers

Comment 10 of 10 |

I believe there are 362880 combinations of puting together the numbers 1 to 9. Multiply this by 45 and you get 16,329,600.

Posted by hugh on 2006-04-19 00:06:14

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