Help me find out Pls using matlab I need answers for question a and question b

a) A vector, Vec = [35 46 78 5 81 3 35 23 16] has been created in Command Window. Write a single MATLAB command for each instruction below i. the seventh element of Vec (1 mark) >> ans = 35 ii. The sum of the third and the eighth element of Vec. (1 mark) iii. Multiplication of the first three elements in Vec with 2.5 (1 mark) b) Write two ways to display the following matrix in Command Window. (2 marks) 3 aMat = 13 7 4 14 8 5 6 15 16 9 10