Which notation is better to use? (Choose between 4,000,000,000,000,000 m and 4.0 × 1015 m)

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive