Excel in math, science, and engineering

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who here is from india????

I'm liking it ;)

find tens digit of 3^2011

How would one use modular arithmetic to find the units digit of 7^7^7?

tens digit of 2^65 ?

Hello, it has been 3 weeks since I have ordered the lanyard and I reside in the U.S. Also, I emailed Brenden to no avail... :P

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