Multiplication Expression
1. The expression given is $26 \times 25 \times 24 \times 10 \times 9$.
2. This is a multiplication of several numbers, not a variable.
3. Such expressions often appear in problems involving counting, permutations, or combinations where you multiply several numbers to find the total number of ways or arrangements.
4. To evaluate it, multiply step-by-step:
- $26 \times 25 = 650$
- $650 \times 24 = 15600$
- $15600 \times 10 = 156000$
- $156000 \times 9 = 1404000$
5. So, the value of the expression is $1404000$.
6. In summary, these are just numbers multiplied together, not variables, and the result is $1404000$.