In Exercises 73 82, (a) perform the indicated operation without the use of a calculator and express each answer in scientific notation. (b) Confirm your answer from part (a) by using a scientific calculator to perform the operations. If the calculator displays the answer in decimal notation, convert the answer to scientific notation.(2,000,000)(0.00025)

Lecture 25: First Derivative Test (Section 4.3) y = f(x) Increasing/Decreasing Test ▯ If f (x) > 0o nannivalen If f (x) < 0o nannivalen Proof (if time; use MVT): Given two numbers x and x 1 2 on an interval I with x 0f orl x in I. Show that f(x )