Without using the result of problem 8 determine how many


Question: (a) How many numbers in the range 100-999 have no repeated digits?

(b) Without using the result of Problem 8, determine how many odd numbers in the range 100-999 have no repeated digits.

(c) Answer (b) again, this time making use of (a) and Problem.

Problem: How many even numbers in the range 100-999 have no repeated digits?

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Mathematics: Without using the result of problem 8 determine how many
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