Could someone explain how they would approach this problem? all is greatly !

Can someone me i’m confused. will give brainliest and a whole bunch of points

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.