simplifying an expression.

• March 12th 2008, 01:24 PM
LisaAnn_86
simplifying an expression.
I need help simplifying the following expression.

Z10/Z11

What is $Z10$? Is this $Z^{10}$? $Z$ raised to the 10th power? Is it $Z_{10}$, perhaps the group of integers modulo 10?