Just one bacterium dividing every 20 minutes could produce nearly 5000 billion billion bacteria in one day. that is 5,000,000,000,000,000,000,000 bacteria could this be correct or did the person make a mistake?

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.