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1000

there aren't even 1000 three-digit

numbers...
There are the digits 1 through 9 for the first digit. Then, we have 0 through 9 for the second digit - excluding the first digit. For the third digit, we have 0 through 9, excluding the two previous digits for a total of 9*9*8 =

81*8 =

648 three digit numbers with distinct digits.

EDIT- ... to be a little more specific, if your talking about a 3-digit password or unlock code its would be 1000. _-_

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โˆ™ 2013-03-29 05:20:51
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A polynomial of degree zero is a constant term

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A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How many three digit numbers with distinct digits?
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