In Exercises 6372, (a) perform the indicated operation without the use of a calculator and express each answer in decimal notation. (b) Confirm your answer from part (a) by using a scientific calculator to perform the operations. If the calculator displays the answer in scientific notation, convert the answer to decimal notation.25 * 103 5 * 10-2

Math 1051, FINAL EXAM FALL 10 Show all your work. 1) If it costs Microsoft $4500 to manufacture 8 Xbox 360s and 8900 to manufacture 16, obtain the corresponding linear cost function. What was the cost to manufacture each additional Xbox Use the cost function to estimate the cost of manufacturing 50 Xboxes 2) Use Gauss-Jordan row reduction to solve the following system of equations: 3x 4y 2z 1 3x 2y 4z 3 2x 3y 3z 2 3) Use matrix inversion to solve the following system of equation: x 2y 4 y z 0 x 3y 2z 5 4) Use the graphical method to solve the following LP problem: Minimize and Maximize p 2x y x y 2 x y 2 x y 2