Question

The sum of a digit of a number is 10n -1 is 3798. The value of n is.

Answer 1

10n-1=3798
or,10n=3799
or,n=3799/10
or,n=379.10

Answer 2

10n-1=3798
10n=3798+1=3799
n,=3799/10=379.9

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