on 8.1. n.8.1. on 8.1. on 8.1. on 8.1 Give an equation representing the volume of the slice you would use in a Riemann sum representing the volume of the region. Then write a definite integral representing the volume of the region and evaluate it exactly. (The region is a cylinder.) 9 cm on 8.1. on 8.1, ion 8.1, The volume of the disk is ion 8.1. 8 cm