To condense the expression \( x \cdot x \cdot x \cdot x \cdot x \cdot y \cdot y \cdot y \cdot y \cdot z \cdot z \cdot z \) using exponents, we count the number of times each variable appears:
- The variable \( x \) appears 5 times, which can be written as \( x^5 \).
- The variable \( y \) appears 4 times, which can be written as \( y^4 \).
- The variable \( z \) appears 3 times, which can be written as \( z^3 \).
Putting this all together, the condensed expression is:
\[ x^5 \cdot y^4 \cdot z^3 \]
If desired, this can also be written as:
\[ x^5 y^4 z^3 \]
This represents the same quantity without the dots.