check weather 6n can end with the digit 0 for any natural number n
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6n want to end with digit zero than it must contain the factor of 10 i.e 2 and 5
let check................ 6n=2n×3n
10=2×5
it contain 2 but not 5
hence it never end with digit zero.
let check................ 6n=2n×3n
10=2×5
it contain 2 but not 5
hence it never end with digit zero.
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