Question 987285

In how many ways can a 3 digit number be formed using the numbers 0-9, if each digit is used only one time?

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<pre>A 3-digit number CANNOT have 0 as its first or hundreds digit
Therefore, first digit can be any of 9 digits (1 - 9)
Second digit can be any of 9 digits (0, or any digit except the first digit)
Third digit can be any of 8 digits (Any digit except the first or second digit)
Number of ways: 9(9)(8), or {{{highlight_green(648)}}}