A number is 810 in which the digit 8 is worth 10 times as much as it is in 81.
Since, In question told that digit 8 is worth 10 times as much as it is in 81
So, 10 times of 81 is,
[tex]81*10=810[/tex]
It is observed that in number 810 , digit 8 is worth 10 times as much as it is in 81.
Therefore, number is 810.
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