What is (8.2*10^-3)*(2.0*10^2) in scientific notation

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.