# simplifying

• December 14th 2007, 12:06 PM
brandilee
simplifying
how do i simplify the expression
Z^10/Z^11?
• December 14th 2007, 12:23 PM
colby2152
Quote:

Originally Posted by brandilee
how do i simplify the expression
Z^10/Z^11?

$\frac{z^{10}}{z^{11}} = z^{10}z^{-11}$
$=z^{10-11}$
$=z^{-1}$
$=\frac{1}{z}$