Describe an instance where you might use standard rounding. describe an instance where you might use order of magnitude estimation. If you did this on part 2 of the test, plz help me out,( do not delete answer or give me false hope, no links. Because I can’t open them, if you have a link, go in that link and copy and paste your answer) I really need general help here.

Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

The slope of a velocity time graph over any interval of time gives the during that interval