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How can I solve it which method should I use please answer me ! ​

How can I solve it which method should I use please answer me ! ​
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2 votes
how can I solve it which method should I use please answer me ! ​

how can I solve it which method should I use please answer me ! ​-example-1
User Joshua Ohana
by
8.1k points

1 Answer

7 votes
7^1 last digit is 7
7^2 last digit is 9
7^3 last digit is 3
7^4 last digit is 1
7^5 last digit is 7
So it repeats every 4 times
190=47*4+2, so your desired answer is 9
User Ankidaemon
by
8.4k points
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