Geomentry Hel A cylinder shaped piece of lead has a radius of 2 cm and a height of 18 cm. If the lead piece weighs 13,621 grams, how much does one cubic centimeter of the object weigh in grams

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6