Expand the logarithm: log3 3xy^2z^5

Name the most appropriate metric unit for each measurement like the mass of cow

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.