A softball coach needs to choose 99 players to be in the batting lineup for the next game. There are 44 freshmen, 55 sophomores, 66 juniors, and 55 seniors on the team. Step 2 of 2 : How many ways can the batting order be chosen if the coach wants all 44 freshmen to be in the lineup? Express your answer in scientific notation rounding to the hundredths place.

How do we measure or think of speed in the united states?

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.