Question: Units Digit of 53 to Power of 35

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Comment on Units Digit of 53 to Power of 35

What do you advise?

Of the (13^5)(15^4)(17^5)
(13)^5 = Odd
(17)^5 = Odd
(15)^4 = Unit digit of 5
5*Odd = Unit of 5
gmat-admin's picture

That's a great approach!

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