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Vom.dr. show that annatural herncan never end with digit o, das ang

Answer»

9ⁿ cannot end with digit 0.

If a number [aⁿ] need to end with a digit 0 , it should have it's factors as 5 and 2.

But 9 in 9ⁿ has factors as 3² ,i.e., only 3 as factor .

So according to the fundamental theorem of arithmetic 9ⁿ cannot end with digit 0.



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