Question

Find the right most non zero integer of 1430^343+1470^367

Answer 1

HEY MATE HERE IS UR ANSWER

Right most nonzero digit in

3^1 = 3

3^2 = 9

3^3= 7

3^4 = 1

30^5= 3

and the pattern (3,9,7,1) repeats

1430^343= 1430^4(85)+3

So it's rightmost nonzero digit= 7

Right most nonzero digit in

7^1 = 7

7^2 = 9

7^3= 3

7^4 = 1

30^5= 3

and the pattern (7,9,3,1) repeats

1470^367= 1430^4(91) + 3

So it's rightmost nonzero digit= 3

Adding both 7 + 3 = 10

so the right most nonzero digit is 1

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