Practice simplifying exponents: Evaluate the Power. 1. 2^4 =

2. 5 cubed =

3. 5^1 =

4. 10 to the 4th power =

5. .3^3 =

6. 0^4 =

7. 1.5^2 =

8. 3^5 =

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x