If \( m= \) the number of natural numbers lying between 100 and 1000 that can be formed by using....

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If \( m= \) the number of natural numbers lying between 100 and 1000 that can be formed by using digits 1,2 ,
\( \mathrm{P} \)
\( 3,5,7 \) and 0 when repetition of digit is allowed then
W
\( m-171 \) is


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