Calculate 8.93 x 104 times 4.2 x 106 by using scientific notation. Write answer in scientific notation. (round to the ten thousa
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Hmmm recall, p=3, and "p" is the distance from the vertex to either, the focus or directrix, so if the focus is 3 units to one-side of the vertex, the directrix is 3 units to the other side
check the picture below
check the picture below
now, the square root gives us both +/- versions, which is it? well, we know the angle θ is in the IV quadrant, well, the sine is "b" is negative there, thus is the negative version then
thus