Help please

Instructions: Use the atomic weights for the elements on your Equation Booklet and the following figure to compute problem I seen below. Polyothylene (TE) Poly(vinyl chlorike) (PVC) Polytetraflecroctbyisne (PTFE) Rolypropylenc (IPP) Polydyrinc (PS) Poly(methyI methacrylate) (PMMA) Phenoi-formaldehyde (Eluktite) Poly(becamethyloos adipainide) (inglon fibi) Rolv(ediylene tercphthataic) (IPET, a polycier) Polycarbonatd (PC) - Data for Problcm I Molceular Weight Data Table for = Poly(ethelyne terephthalate) (PET, a polyester) =8,00016,0000.060.0216,00024,0000.1410.1=24,00032,0000.24+0.19=32,00040,0000.31[0,31=40,000=48,000+0.190.26=48,00056,0000.060.12 - Data for Probleni 2 Required Tensile Strenget (MPa)=150 Tensile Strength (MPa) for PE L=93 Tensile Strength (MPa) for PE2=155 Number-Aversge Molecular Weight (g mol) for PE 1=19,283 Number-Average Molecular Weight (gimol) for PE 2=23,977 Problem I Part A: For the polymer listed, given the mass range in (g/mol) and Ni (nurnber fraction) and wi(weight fraction). Compute the number - average molecular weight for the polymer Your Answer = Problem 1 Part B: Calculate the weight - average molecular weight for the polymer Your Answer = Problem 1 Part C: The degree of polymerization of for the polymer listed. Your Answer = Problem 2 Part A: The tensile strength and number-average molecular weight for two polyethylene materials given above. Extimate the number-average molecular weight that is required to give a lensile strength required above. Using the data given find IS (infinity) io MPa Your Answer = Incortect Problem 2 Part B: Using the data given in the problem, find A in Mpa-g mol. Your Answer = Incorrect. Problem 2 Part C: What is the number-average molecular weight that is requirod to give a tensale strength requited above? Your Answer Incortect