Homework Help: 7th Grade Math-Exponents

Posted by Amber on Thursday, December 16, 2010 at 3:26pm.

I dont understand this at all! Please help!

Find the units digit for 7^197 without using a calculator. Explain how you found your answer.

7th Grade Math-Exponents - uihuhui, Tuesday, August 9, 2011 at 5:22pm
guiuyjhvvujhkjkb;
7th Grade Math-Exponents - Anonymous, Thursday, September 29, 2011 at 11:14pm
5+3(16-20)+7

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