DJ Mykel is making a playlist for a radio show; he is trying to decide what 1414 songs to play and in what order they should be played. Step 1 of 2 : If he has his choices narrowed down to 77 hip-hop, 55 jazz, 77 pop, and 88 blues songs, and he wants to play no more than 33 hip-hop songs, how many different playlists are possible? Express your answer in scientific notation rounding to the hundredths place.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?