find the entries in a set of elements

Let A= [35,46, 78, 23, 5, 16, 81, 3, 35]

a, Which command is used to find the seventh entry of A.

b, Which command is used to find the sum of third and fifth entries of A.

[Stephen23]

Start here:

https://www.mathworks.com/help/matlab/getting-started-with-matlab.html

Answer 1

[Mundrathi Venugopal]

A = [35,46, 78, 23, 5, 16, 81, 3, 35];
a = A(7); % to find the seventh entry of A
b = sum(A([3 5])); % to find the sum of third and fifth entries of A

[madhan ravi]

It‘s obviously homework, don’t provide full solution give hints instead.