Variables de x y de 2
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What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square