1. A club with 10 members needs to elect a president and a vice-president. In how many ways can these two positions be filled? The number of ways is ___.
2. Which of the following expressions is equivalent to $2^{-4}$?
3. Calculate the value of the permutation $_7P_3$. The value is ___.
4. Simplify the expression $10^{-2}$ and write the result as a fraction. The answer is ___.
5. There are 5 distinct paintings to be arranged on a wall. Which expression represents the total number of possible arrangements?
6. A restaurant offers 8 main courses and 6 different side dishes. If a meal consists of one main course and one side dish, how many different meal combinations are possible? The total is ___.
7. A user is creating a new account password. The password must consist of one letter from the alphabet (26 choices) followed by two digits (10 choices each). How many unique passwords can be created?
8. Simplify the expression by performing the subtraction: $(9x^2 + 2x - 5) - (4x^2 - 7x + 3)$. The result is ___.
9. Which expression is the result of simplifying $(6y^2 - 3y + 11) + (y^2 + 5y - 4)$?
10. When the polynomial $(5m - 9)$ is subtracted from $(12m + 4)$, the result is $7m +$ ___.