Sinead hours for coins at the same time she did it this 50× and six of those times all for coin show the same result find the experimental probability that all four coin show the same result when tossed

1. what are the missing reasons in the proof 2. it's in the second picture and 3

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.

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?