<PRE><B>Question 35636</B>
When you divide, you must subtract exponents!!

{{{(u^15)/(u^8) }}} 
{{{u^(15-8)}}}
{{{u^7}}}


R^2 at SCC


By the way, see my Lesson Plans on Laws of Exponents from algebra.com or from my own website under Basic Algebra, then Samples from Basic Algebra One Step at a Time, Chapter 2.</PRE>