Question: Units Digit of 53 to Power of 35

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!

Add a comment

Ask on Beat The GMAT

If you have any questions, ask them on the Beat The GMAT discussion forums. The average response time is typically less than 30 minutes.

Change Playback Speed

To watch our videos at faster speeds (e.g., 20% or 50% faster), download this free extension for your Chrome web browser.  

Have a question about this video?

Post your question in the Comment section below, and we’ll answer it as fast as humanly possible.