This is a pre calculus question that i need with, serious answer and you! will give brainliest.

glencoe precalc 10-3
write an equation of the following arithmetic sequence in sigma notation—> 1/2, 1/4, 1/8, 1/64. the problem says the lower bound has been provided in these

it is in sigma notation with an upper bound and lower bound, arithmetic sequence, if you can get this you so much and god bless you

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below: