The distance from the Earth to the moon is 384,400 km. How is this distance expressed in scientific notation?

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.

In a system, when potential energy decreases, then entropy also decreases. true false

What are atoms of the same element with varying number of neutrons