Adecimeter (dm) is one tenth of a meter. the diameter of earth is 1.3 x 104 km. what is the diameter expressed in decimeters? 1.3 × 107 dm 1.3 × 1011 dm 1.3 × 108 dm 1.3 × 10–5 dm

What is the formula that this ionic compounds could form sr2+p3-o2-

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: