Q&A #3938

Teachers' Lounge Discussion: Powers of ten in our everyday lives

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From: asu

To: Teacher2Teacher Public Discussion
Date: 2009042204:29:53
Subject: power problem

    Suzanne A. thanks.
    i have a problem which i send to mathforum.they give me a link,but
i don't find.
       My problem is:
avove this equition to find the last digit efficiently. i have
calculated this equition but it's slow for my computer program. 
   can you help me to solve this equition efficiently?
     plz to describe this equition.
                    best of luck.	

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