Write the greatest and the smallest $8$ - digit numbers using the digits $3, 2, 1, 0, 8, 7, 6, 5$ and find their difference.

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Solution

Step 1- Finding the smallest and greatest $8$ - digit number formed by $3, 2, 1, 0, 8, 7, 6, 5$ .
The smallest $8$ - digit number formed by $3, 2, 1, 0, 8, 7, 6, 5$ is $10235678$ .
The smallest $8$ - digit number formed by $3, 2, 1, 0, 8, 7, 6, 5$ is $87653210$ .
Step 2- Finding the difference between the number.
$C r T L L T T h T h H T O 8 7 6 5 3 2 1 0 - 1 0 2 3 5 6 7 8 7 7 4 1 7 5 3 2$
Hence, the difference is $77417532$ .

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