Q. 123.8( 16 Votes )

Show that there i

Answer :

(2” × 5”) = 10n {using rules of exponent}

And 10n either ends up with 1 for n = 0 and for n>0 and integer, ends up with zero.

Also for negative value of n it ends with fractions not ending with 5.

this will never end with 5.

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