Stefan is conducting an experiment to find the level of pollution in the air. he found that there are about 3 billion dust particles in one square meter of space. what is the approximate weight of 3 billion dust particles, if one dust particle weighs 4.66 × 10-12 grams? 1.4 × 10-4 grams

I am 100% sure it is 140 grams hope this helps.

140 grams hope it helps out

Notice that tv is in the original triangle and in the image. that means that we are looking for a transformation where this segment remains fixed (doesn’t move) which is the case when doing a reflection. a reflection over the line segment tv would leave that segment unchanged. think of having the triangle iba page and picking p vertex s swinging it over tv and having it land on the other side. tv the line of reflection remains fixed while s moves to a new point here called u.